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[ Insert Document File Name]. Telecommunication Security. Herbert Bertine Chairman, ITU-T Study Group 17. Standards. Cooperation. Awareness. ITU-T Study Groups SG 2* Operational aspects of service provision, networks and performance

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telecommunication security

[Insert Document File Name]

Telecommunication Security

Herbert Bertine

Chairman, ITU-T Study Group 17






ITU-T Study Groups

  • SG 2* Operational aspects of service provision, networks and performance
  • SG 3 Tariff and accounting principles including related telecommunications economic and policy issues
  • SG 4* Telecommunication management
  • SG 5 Protection against electromagnetic environment effects
  • SG 6 Outside plant and related indoor installations
  • SG 9 Integrated broadband cable networks and television and sound transmission 
  • SG 11* Signalling requirements and protocols
  • SG 12Performance and quality of service
  • SG 13* Next generation networks
  • SG 15 Optical and other transport network infrastructures
  • SG 16* Multimedia terminals, systems and applications
  • SG 17** Security, languages and telecommunication software
  • SG 19 Mobile telecommunication networks

* Significant security work ** Lead Study Group on Security



Network Management Security (M.3000-series)


Message Handling Systems (MHS) (X.400-series)

Telecommunication Security (X.805, X.1000-series)

NGN Security (Y.2700-series)

Systems Management (X.733,5,6, X.740,1)

Directory Services and Authentication (X.500-series)

Security Techniques (X.841,2,3)

Facsimile (T-series)


Televisions and Cable Systems (J-series)

ITU-T Security Building Blocks

Security Architecture Framework (X.800-series)

Securityin Frame Relay(X.272)

Multimedia Communications (H-series)


Study Group 17: Security, languages and telecommunication software

  • SG 17 is the Lead Study Group on telecommunication security - It is responsible for coordination of security across all study groups.
  • Subdivided into three Working Parties (WPs)
    • WP1 - Open systems technologies;
    • WP2 -Telecommunications security; and
    • WP3 - Languages and telecommunications software
  • Most (but not all) security Questions are in WP2
  • Summaries of all draft new or revised Recommendations under development in SG 17 are available on the SG 17 web page at

Working Party 2/17 Work Program

Telecom Systems Users



* Multimodal modelframework

* System mechanism

* Protection procedure






* Incident management

* Risk assessment methodology

SecurityArchitectureand Framework

* Architecture,* Model,* Concepts, * Frameworks

Secure Communication Services

* Secure mobile communications * Home network security

* Web services security


Cyber Security* Vulnerability information sharing…* Incident handling operations

* Identity management


Countering spam by technicalmeans

* Technical anti-spam measures



Communications System Security Project*Vision, Project, Roadmap, …


Security standardization Collaboration is key

Specific Systems, Services, ApplicationsSecurity in ITU-T are developed bySG 2, 3, 4, 5, 6, 9, 11, 13, 15, 16, 19

Core Technology and Common SecurityTechniques in ITU-T are developedby SG 17

JTC 1 SC 27, 37...




Security standardization Collaboration is key

  • World Standards Cooperation (WSC)ISO, IEC, ITU
  • Global Standards Collaboration (GSC)Regional, National SDOs and ITU-T, ITU-R
    • exchange information between participating standards organizations to facilitate collaboration and to support the ITU as the preeminent global telecommunication and radiocommunication standards development organization
    • Resolution GSC-11/17 Cybersecurity
  • Security Standardization Exchange Network (SSEN)
    • an informal association of individual security practitioners with direct experience of, or strong interest in, security standardization
    • facilitate the informal exchange of information on security-standards-related matters to increase overall awareness of issues of common interest with the intention of helping to advance the development of needed standards and minimizing overlap and duplication of effort in security standards development
security standardization collaboration is key
Security standardization Collaboration is key

ISO/IEC/ITU-TStrategic Advisory Group on Security (SAG-S)

  • Terms of Reference
    • To oversee standardization activities in ISO, IEC and ITU-T relevant to the field of security
    • To provide advice and guidance to the ISO Technical Management Board, the IEC Standardization Management Board and the ITU-T Telecommunication Standardization Advisory Group (TSAG) relative to the coordination of work relevant to security, and in particular to identify areas where new standardization initiatives may be warranted
    • To monitor implementation of the SAG-S Recommendations
  • International workshop on security topics planned in conjunction with each SAG-S meeting
    • International Workshop on Transit Security, Washington DC, 4-5 October 2007
  • Security portal under development

Focus Group: Security Baseline for Network Operators (FG SBNO)

  • Established October 2005 by SG 17
  • Objectives:
    • Define a security baseline against which network operators can assess their network and information security posture in terms of what security standards are available, which of these standards should be used to meet particular requirements, when they should be used, and how they should be applied
    • Describe a network operator’s readiness and ability to collaborate with other entities (operators, users and law enforcement authorities) to counteract information security threats
    • Provide meaningful criteria that can be used by network operators against which other network operators can be assessed, if required
  • Achieved
    • Surveyed network operators by means of a questionnaire
  • Next step:
    • Develop text to be proposed to SG 17 for progressing as an ITU-T publication
focus group identity management fg idm http www itu int itu t studygroups com17 fgidm index html
Focus Group: Identity Management (FG IdM)
  • Established December 2006 by SG 17
  • The objectives of the FG IdMare
    • to perform requirements analysis based on uses case scenarios, in order
    • to identify generic IdM framework components, so that
    • a standards gap analysis can be completed, in order
    • to identify new standards work and the bodies (ITU and other SDOs) that should perform the work
  • Working Group structure
    • Ecosystem and Lexicon Working Group
    • Use Cases Working Group
    • Requirements Working Group
    • Framework Working Group
  • Aggressive schedule
    • Meetings held: February, April and May 2007; WG meeting June
    • Meetings planned: July and August 2007

ICT Security Standards Roadmap

  • Part 1 contains information about organizations working on ICT security standards
  • Part 2 is the database of existing security standards
  • Part 3 is a list of standards in development
  • Part 4 identifies future needs and proposed new standards
  • Part 5 includes security best practices

European Network and Information Security Agency (ENISA) and the Network and Information Security Steering Group (NISSG) are collaborating with ITU-T in the development of the Roadmap


ICT Security Standards Roadmap

  • Part 2 currently includes ICT security standards from
    • ITU-T
    • ISO/IEC JTC 1
    • IETF
    • IEEE
    • ATIS
    • ETSI
    • OASIS
  • Data is available in a database format to allow searching by organization and topic and to allow organizations to manage their own data
  • We invite you to contribute content to the Roadmap, provide feedback and help us develop it to meet your needs

Other projects

  • Security in Telecommunications and Information Technology(ITU-T Security manual)
    • Overview of existing ITU-T Recommendations for secure telecommunications
    • Third edition of June 2006 to be available in the six official languages of the ITU
  • Security compendium
    • Catalogue of approved ITU-T Recommendations related to telecommunication security
    • Extract of ITU-T approved security definitions
    • Summary of ITU-T Study Groups with security-related activities

The ITU Global Cybersecurity Gateway

LIVE at:

Provides an easy-to-use information resource on national, regional and international cybersecurity-related activities and initiatives worldwide.



  • Security is everybody's business
  • Collaboration with other SDOs isnecessary
  • Security needs to be designed in upfront
  • Security must be an ongoing effort
  • Systematically addressing vulnerabilities (intrinsic properties of networks/systems) is key so that protection can be provided independent of what the threats (which are constantly changing and may be unknown) may be

Some useful web resources

  • ITU-T Home page
  • Study Group 17
    • e-mail:
  • Recommendations
  • ITU-T Lighthouse
  • ITU-T Workshops
Supplemental Information on Security Work in ITU-T
  • Study Group 17 -Security, languages and telecommunication software
  • Study Group 4 -Telecommunication management
  • Study Group 11 – Signalling requirements and protocols
  • Study Group 13 -Next generation networks
  • Study Group 16 -Multimedia terminals, systems and applications
ITU-T SG 17 work on security
  • Q.4/17 - Communications systems security project
  • Q.5/17 - Security architecture and framework
  • Q.6/17 - Cyber security
  • Q.7/17 - Security management
  • Q.8/17 - Telebiometrics
  • Q.9/17 - Secure communication services
  • Q.17/17 - Countering spam by technical means
ITU-T SG 17 Question 4Communications Systems Security Project
  • Overall Security Coordination
  • ICT Security Standards Roadmap
  • Security Compendium
  • Focus Group on Security Baseline For Network Operators
  • ITU-T Security manual

Efforts of Q.4/17 are covered in the main part of the presentation

ITU-T SG 17 Question 5Security Architecture and Framework
  • Brief description of Q.5
  • Milestones
  • Draft Recommendations under development
brief description of q 5 17
Brief description of Q.5/17
  • Motivation
    • The telecommunications and information technology industries are seeking cost-effective comprehensive security solutions that could be applied to various types of networks, services and applications. To achieve such solutions in multi-vendor environment, network security should be designed around the standard security architectures and standard security technologies.
  • Major tasks
    • Development of a comprehensive set of Recommendations for providing standard security solutions for telecommunications in collaboration with other Standards Development Organizations and ITU-T Study Groups.
    • Maintenance and enhancements of Recommendations in the X.800 series:

X.800, X.802, X.803, X.805, X.810, X.811, X.812, X.813, X.814, X.815, X.816, X.830, X.831, X.832, X.833, X.834, X.835, X.841, X.842 and X.843

q 5 17 milestones
Q.5/17 Milestones
  • ITU-T Recommendation X.805, Security Architecture for Systems Providing End-to-end Communications
    • Approved in 2003
  • ISO/IEC Standard 18028-2, Network security architecture
    • Developed in collaboration between ITU-T Q.5/17 and ISO/IEC JTC 1 SC 27 WG 1. It is technically aligned with X.805
    • Published in 2006
  • ITU-T Recommendation X.1035,Password-authenticated key exchange (PAK) protocol
    • Specifies a password-based protocol for authentication and key exchange, which ensures mutual authentication of both parties in the act of establishing a symmetric cryptographic key via Diffie-Hellman exchange
    • Approved in 2006
itu t recommendation x 805
ITU-T Recommendation X.805

X.805 defines a network security architecture for providing end-to-end network security. The architecture can be applied to various kinds of networks where the end-to-end security is a concern and independently of the network’s underlying technology.

q 5 17 draft recommendations 1 2
Q.5/17 Draft Recommendations 1/2
  • Applications and further development of major concepts of ITU-T Recommendation X.805
    • X.805+, Division of the security features between the network and the usersSpecifies division of security features between the networks and users. It provides guidance on applying concepts of the X.805 architecture to securing service provider’s, application provider’s networks and the end user’s equipment
    • X.805nsa, Network security assessment/guidelines based on ITU-T Recommendation X.805Provides a framework for network security assessment/guidelines based on ITU-T Recommendation X.805, Security Architecture for Systems Providing End-to-End Communications
q 5 17 draft recommendations 2 2
Q.5/17 Draft Recommendations 2/2
  • Standardization in support of Authentication Security Dimension (defined in X.805)
    • X.akm, Framework for authentication and key management for link layer security of NGNEstablishes a framework for authentication and key management for securing the link layer. It also provides guidance on selection of the EAP methods.
  • Standardization of network security policies
    • X.spn, Framework for creation, storage, distribution, and enforcement of security policies for networks
    • Establishes security policies that are to drive security controls of a system or service. It also specifies a framework for creation, storage, distribution, and enforcement of policies for network security that can be applied to various environmental conditions and network devices.
ITU-T SG 17 Question 6Cyber Security
  • Motivation
  • Objectives
  • Scope
  • Current area of focus
  • Draft Recommendations under development
q 6 17 motivation
Q.6/17 Motivation
  • Network connectivity and ubiquitous access is central to today’s IT systems
  • Wide spread access and loose coupling of interconnected IT systems is a primary source of widespread vulnerability
  • Threats such as: denial of service, theft of financial and personal data, network failures and disruption of voice and data telecommunications are on the rise
  • Network protocols in use today were developed in an environment of trust
  • Most new investments and development is dedicated to building new functionality and not on securing that functionality
  • An understanding of cybersecurity is needed in order to build a foundation of knowledge that can aid in securing the networks of tomorrow
q 6 17 objectives
Q.6/17 Objectives
  • Perform actions in accordance with Lead Study Group (LSG) responsibility with the focus on Cybersecurity
  • Identify and develop standards required for addressing the challenges in Cybersecurity, within the scope of Q.6/17
  • Provide assistance to other ITU-T Study Groups in applying relevant cybersecurity Recommendations for specific security solutions. Review project-oriented security solutions for consistency
  • Maintain and update existing Recommendations within the scope of Q.6/17 (this includes E.409)
  • Coordinate security activities with other ITU-T SGs, ISO/IEC JTC 1 e.g., SC 6, SC 27 and SC 37), and consortia as appropriate
  • Provide awareness on new security technologies related to Cybersecurity
  • Provide an Identity Management Framework that defines the problem space, representative use case scenarios and requirements. This includes leveraging other on-going Identity Management activities
  • Collaborate with Next Generation Networks activities in ITU-T in the areas of Cybersecurity and Identity Management
q 6 17 scope
Q.6/17 Scope
  • Definition of Cybersecurity
  • Security of Telecommunications Network Infrastructure
  • Security Knowledge and Awareness of Telecom Personnel and Users
  • Security Requirements for Design of New Communications Protocol and Systems
  • Communications relating to Cybersecurity
  • Security Processes – Life-cycle Processes relating to Incident and Vulnerability
  • Security of Identity in Telecommunication Network
  • Legal/Policy Considerations
q 6 17 current area of focus 1 2
Q.6/17 Current Area of Focus 1/2
  • Work with SG 2 on the definition and requirements of Cybersecurity
  • Collaborate with Q5,7,9,17/17 and SG 2 in order to achieve better understanding of various aspects of network security
  • Collaborate with IETF, OASIS, ISO/IEC JTC1, W3C, APEC-TEL and other standardization bodies on Cybersecurity
  • Work with OASIS on adopting the OASIS Common Alerting Protocol V1.1 as an ITU-T Recommendation
  • Work on framework for secure network operations to address how telecommunications network providers secure their infrastructure and maintain secure operations
  • Work on Recommendation for standardization of vulnerability data definition
  • Work on network security management framework to address how telecommunications operators operate uniformly various kind of security functions
  • Study new Cybersecurity issues – How should ISPs deal with botnets, evaluating the output of appropriate bodies when available
q 6 17 current area of focus 2 2
Q.6/17 Current Area of Focus 2/2
  • Work on Recommendations on Identity Management (IdM) addressing the following areas:
    • An umbrella Recommendation that determines IdM security requirements from ITU-T prospective
    • An umbrella Recommendation that defines a framework and architecture(s) for IdM after identifying IdM security mechanisms that needs to be addressed
    • An umbrella Recommendation that assesses security threats and vulnerabilities associated with IdM
    • Collaborate with Q.15/13 on NGN IdM issues
  • Develop guidelines on the protection of personal information and privacy
  • Call for contributions for the outstanding questions identified in the revised scope
  • Promote the wide adoption of IdM through the IdM Focus Group that considers the challenges and issues associated with IdM across various SDO and consortia
q 6 17 draft recommendations 1 5
Q.6/17 Draft Recommendations 1/5
  • Overview of Cybersecurity (X.1205, formerly X.cso)
    • Provides a definition for Cybersecurity and a taxonomy of security threats from an operator point of view. Cybersecurity vulnerabilities and threats are presented and discussed at various network layers.
    • Various Cybersecurity technologies that are available to remedy the threats include: Routers, Firewalls, Antivirus protection, Intrusion detection systems, Intrusion protection systems, Secure computing, Audit and Monitoring. Network protection principles such as defence in depth, access and identity management with application to Cybersecurity are discussed. Risk Management strategies and techniques are discussed including the value of training and education in protecting the network. A discussion of Cybersecurity Standards, Cybersecurity implementation issues and certification are presented.
  • A vendor-neutral framework for automatic checking of the presence of vulnerabilities information update (X.vds)
    • Provides a framework of automatic notification on vulnerability information. The key point of the framework is that it is a vendor-neutral framework. Once users register their software, updates on the vulnerabilities and patches of the registered software will automatically be made available to the users. Upon notification, users can then apply.
q 6 17 draft recommendations 2 5
Q.6/17 Draft Recommendations 2/5
  • Guidelines for Internet Service Providers and End-users for Addressing the Risk of Spyware and Deceptive Software (X.sds)
    • Provides guidelines for Internet Service Providers (ISP) and end-users for addressing the risks of spyware and deceptive software. The Recommendation promotes best practices around principles of clear notices, and users’ consents and controls for ISP web hosting services. The Recommendation also promotes best practices to end-users on the Internet to secure their computing devices and information against the risks of spyware and deceptive software.
  • Identity Management Framework (X.idmf)
    • Develops an Identity Management Framework that leverages the use case scenarios as it applies to Telecommunications and includes non-Telecom applications when (i.e., the orchestration of business processes that include supply change management, client resource management, enterprise resource management, location, presence, and other services). The framework enables service providers to provide entities with reliable, trusted and secure IdM services over distributed networks, through the appropriate use of authorization, authentication, access control mechanisms, and policy management mechanisms.
q 6 17 draft recommendations 3 5
Q.6/17 Draft Recommendations 3/5
  • Identity Management Requirements (X.idmr)
    • Develops use case scenarios and requirements for the Identity Management Framework Recommendation (X.idmf). The developed use cases cover Telecommunications and non-Telecom scenarios (i.e., the orchestration of business processes that include supply change management, client resource management, enterprise resource management, location, presence, and other services).
  • Identity Management Security (X.idms)
    • Performs security analysis on the identity Management Framework as developed in X.idmf. The Recommendation develops guidelines and best practice approach for ensuring that security is maintained when the Identity Management Framework is used as the vehicle for providing Telecommunications and non-Telecom IdM solutions.
q 6 17 draft recommendations 4 5
Q.6/17 Draft Recommendations 4/5
  • Common Alerting Protocol(CAP v1.1), (X.1303, formerly X.cap)
    • Specifies the common alerting protocol (CAP) which is a simple but general format for exchanging all-hazard emergency alerts and public warnings over all kinds of networks. CAP allows a consistent warning message to be disseminated simultaneously over many different warning systems, thus increasing warning effectiveness while simplifying the warning task. CAP also facilitates the detection of emerging patterns in local warnings of various kinds, such as might indicate an undetected hazard or hostile act. And CAP provides a template for effective warning messages based on best practices identified in academic research and real-world experience. This Recommendation is technically equivalent and compatible with the OASIS Common Alerting Protocol, v.1.1 standard.
  • ASN.1 specification for the Common Alerting Protocol (CAP v1.1), (X.1303.1, formerly X.cap2)
    • The common alerting protocol (CAP) is specified in ITU-T Rec. X.1303, which is technically equivalent and compatible with the OASIS Common Alerting Protocol, V1.1 standard. This Recommendation provides an equivalent ASN.1 specification that permits a compact binary encoding and the use of ASN.1 as well as XSD tools for the generation and processing of CAP messages. This Recommendation enables existing systems, such as H.323 systems, to more readily encode, transport and decode CAP messages.
q 6 17 draft recommendations 5 5
Q.6/17 Draft Recommendations 5/5
  • Privacy guideline for RFID(X.rfpg)
    • Recognizes that as RFID greatly facilitates the access and dispersion of information pertaining specifically to the merchandise that individuals wear and/or carry; it creates an opportunity for the same information to be abused for tracking an individual's location or invading their privacy in a malfeasant manner. For this reason the Recommendation develops guidelines and best practices regarding RFID procedures that can be used by service providers to gain the benefits of RFID while attempting to protect the privacy rights of the general public within national policies.
  • Network Security Management Framework (X.nsmf)
    • Defines the framework for security management to address how telecom-operators can uniformly operate various kinds of security functions.
  • Guideline on preventing worm spreading in a data communication network (X.gopw)
    • Describes worm spreading patterns and scenarios in a data communication network. In addition, it specifies countermeasures to prevent from worm spreading. This Recommendation can be used as a guideline to network designers, network operator, and end users for preventing Worm spreading.
itu t sg 17 question 7 security management

ITU-T SG 17 Question 7Security Management

  • Tasks
  • Plan on Recommendations
  • Revised Recommendation X.1051

Q.7/17 Tasks

  • Information Security Management Guidelines for telecommunications
    • (Existing X.1051, Information security management system – Requirements for telecommunications (ISMS-T))
    • Maintain and revise Recommendation X.1051, “Information Security Management Guidelines for telecommunications based on ISO/IEC27002”.
    • Jointly develop a guideline of information security management with ISO/IEC JTC 1/SC 27 (ISO/IEC 27031 =.Recommendation X.1051).
  • Risk Management Methodology
    • Study and develop a methodology of risk management for telecommunications in line with Recommendation X.1051.
    • Produce and consent a new ITU-T Recommendation for risk management methodology.
  • Incident Management
    • Study and develop a handling and response procedure on security incidents for the telecommunications in line with Recommendation X.1051.
    • Produce and consent a new ITU-T Recommendation for incident management methodology and procedures.
q 7 17 plan on recommendations
Q.7/17 plan on Recommendations

X.1050: To be proposed

X.1051:In revision processInformation Security Management Guidelines for Telecommunications based on ISO/IEC 27002

X.1052: To be proposed

X.1053: To be proposed(Implementation Guide for Telecommunications)

X.1054: To be proposed(Measurements and metrics for Telecommunications)

X.1055: In the first stage of developmentRisk Management Guidelines for Telecommunications

X.1056: In the first stage of developmentSecurity Incident Management Guidelines for Telecommunications

X.1057: To be proposed(Identity Management for Telecommunications)

information security management guidelines for telecommunications revised x 1051

Information Assets

for Telecom

Information security management guidelines for Telecommunications (Revised X.1051)

Revised X.1051

Security policy

Organising information security

Asset management

Human resources security

Physical & environmental


Communications & operations management

ISMS Process




Access control

Implementation requirementsfor Telecom

Implementation guidancefor Telecom

Implementation guidance

Information systems acquisition, development and maintenance

Other information

Other information

Information security incident management

Existing X.1051(2004)

Revised X.1051

ISO/IEC 17799 (2005)

Business continuity management

Approach to develop the revised Recommendation X.1051


itu t sg 17 question 8 telebiometrics

ITU-T SG 17 Question 8Telebiometrics

  • Objectives
  • Study areas on biometric processes
  • Recommendations
q 8 17 objectives
Q.8/17 Objectives
  • To define telebiometric multimodal model framework
  • To specify biometric authentication mechanism in open network
  • To provide protection procedures and countermeasures for telebiometric systems
q 8 17 study areas on biometric processes

X.tai: Telebiometrics Authentication Infrastructure

X.bip: BioAPI Interworking Protocol

X.tsm: Telebiometrics System Mechanism

X.tpp: Telebiometrics Protection Procedure



Safety conformity


















Q.8/17 Study areas on Biometric Processes
q 8 17 recommendations 1 3
Q.8/17 Recommendations 1/3
  • X.1081, The telebiometric multimodal model framework – A framework for the specification of security and safety aspects of telebiometrics

Defines a telebiometric multimodal model that can be used as a framework for identifying and specifying aspects of telebiometrics, and for classifying biometric technologies used for identification (security aspects).

  • X.physiol, Telebiometrics related to human physiology

Gives names and symbols for quantities and units concerned with emissions from the human body that can be detected by a sensor, and with effects on the human body produced by the telebiometric devices in his environments.

  • X.tsm-1, General biometric authentication protocol and profile on telecommunication system

Defines communication mechanism and protocols of biometric authentication for unspecified end‑users and service providers on open network.

q 8 17 recommendations 2 3
Q.8/17 Recommendations 2/3
  • X.tsm-2, Profile of telecomunication device for Telebiometrics System Mechanism (TSM)

Defines the requirements, security profiles of client terminals for biometric authentication over the open network.

  • X.tai, Telebiometrics authentication infrastructure

Specifies a framework to implement biometric identity authentication with certificate issuance, management, usage and revocation.

  • X.bip, BioAPI interworking protocol

Common text of ITU-T and ISO/IEC JTC 1/SC 37. It specifies the syntax, semantics, and encodings of a set of messages ("BIP messages") that enable BioAPI-conforming application in telebiometric systems.

q 8 17 recommendations 3 3
Q.8/17 Recommendations 3/3
  • X.tpp-1, A guideline of technical and managerial countermeasures for biometric data security

Defines weakness and threats in operating telebiometric systems and proposes a general guideline of security countermeasures from both technical and managerial perspectives.

  • X.tpp-2, A guideline for secure and efficient transmission of multi-modal biometric data

Defines threat characteristics of multi-modal biometric system, and provides cryptographic methods and network protocols for transmission of multi-modal biometric data.

ITU-T SG 17 Question 9

Secure Communication Services

  • Focus
  • Position of each topic
  • Mobile security
  • Home network security
  • Web services security
  • Secure applications services
q 9 17 focus
Q.9/17 Focus
  • Develop a set of standards of secure application services, including
    • Mobile security Under study
    • Home network security Under study
    • Web services security Under study
    • Secure application services Under study
    • Privacy protection for RFID Under study
    • Multicast securityUnder study
    • Multimedia content protection To be studied
position of each topic
Position of each topic

Web Services security

Application Server

Privacy protection for RFID



Mobile Terminal

Mobile Network

Open Network

Home network


Mobile security

Secure application services

Multicast security

q 9 17 mobile security
Q.9/17 - Mobile Security
  • X.1121, Framework of security technologies for mobile end-to-end data communications
      • Approved 2004
  • X.1122, Guideline for implementing secure mobile systems based on PKI
      • Approved 2004
  • X.msec-3, General security value added service (policy) for mobile data communication
      • Develops general security service as value added service for secure mobile end-to-end data communication
  • X.msec-4, Authentication architecture in mobile end-to-end data communication
      • Constructs generic authentication architecture for mobile data communication between mobile users and application servers
  •, Correlative reacting system in mobile network
      • Develops the generic architecture of a correlative reactive system to protect the mobile terminal against Virus, worms, Trojan-Horses or other network attacks to both the mobile network and its mobile users
q 9 17 home network security
Q.9/17 - Home network security
  • X.1111, Framework for security technologies for home network
    • Framework of security technologies for home network
    • Define security threats and security requirements, security functions, security function requirements for each entity in the network, and possible implementation layer
    • Approved 2007
  • X.homesec-2, Certificate profile for the device in the home network
    • Device certificate profile for the home network
    • Develops framework of home network device certificate.
  • X.homesec-3, User authentication mechanisms for home network service
    • User authentication mechanisms for home network service.
    • Provides the user authentication mechanism in the home network, which enables various authentication means such as password, certificate, biometrics and so on.
q 9 17 web services security
Q.9/17 - Web Services security
  • X.1141, Security Assertion Markup Language (SAML)
    • Adoption of OASIS SAML v2.0 into ITU-T Recommendation X.1141
    • Define XML-based framework for exchanging security information
    • The security information expressed in the form of assertions about subjects, where a subject is an entity (either human or computer) that has an identity in some security domain
    • Approved 2006
  • X.1142, eXtensible Access Control Markup Language (XACML)
    • Adoption of OASIS XACML v2.0 into ITU-T Recommendation X.1142
    • Provides an XML vocabulary for expressing access control policies and the syntax of the language and the rules for evaluating policies
    • Approved 2006
  • X.websec-3, Security architecture for message security in mobile Web Services
    • Develops a guideline on message security architecture and service scenarios for securing messages for mobile Web Services
q 9 17 secure applications services
Q.9/17 - Secure applications services
  •, Guideline on strong password authentication protocols
    • Guideline on secure password-based authentication protocol with key exchange
    • Defines a set of requirements for password-based protocol with key exchange and a selection guideline by setting up criteria that can be used in choosing an optimum authentication protocol for each application.
  •, Secure communication using TTP service
    • Secure end-to-end data communication techniques using TTP services
    • Specifies secure end-to-end data communication techniques using TTP services that are services defined in X.842 or other services
  • X.p2p-1, Anonymous authentication architecture in community communication
    • Requirements of security for peer-to-peer and peer-to-multi peer communications
    • Investigates threat analysis for P2P and P2MP communication services and describes security requirements for secure P2P and P2MP communication services
  • X.p2p-2, Security architecture and protocols for peer to peer network
    • Security architecture and protocols for peer to peer network
    • Describes the security techniques and protocols in the P2P environment
q 9 17 m rfid security and multicast security
Q.9/17 – m-RFID security and Multicast security
  • X.rfidsec-1, Privacy protection framework for networked RFID services
    • New work item 2006
    • Privacy infringements for networked RFID service environment
    • Requirements for privacy protection and privacy protection services based on a user privacy policy profile
  • X.mcastsec-1, Security framework and requirement in the multicast environment
    • New work item 2007
    • Requirements of security for multicast communications
    • Investigates threat analysis for multicast communications services and describes security requirements for multicast communications services
q 17 17 objectives
Q.17/17 Objectives
  • The aim of this Question is to develop a set of Recommendations on countering spam by technical means for ITU-T, taking into account the need for collaboration with ITU-T other Study Groups and cooperation with other SDOs. The Question focuses particularly on technical requirement, frameworks and new technologies for countering spam. Guidelines on countering spam by technical means are also studied.

Requirement on countering spam (X.csreq) Draft

Framework Recommendations:

IP multimedia application area TBD

Technical framework for countering email spam (X.fcs) Draft

Technology Recommendations:

Technical means for countering IP multimedia spam (X.tcs) TBD

Technology Recommendations:

Technical means for countering spam (X.tcs) TBD

Overview of countering spam for IP multimedia application (X.ocsip) Draft

Guideline on countering email spam (X.gcs) Draft

Other SDOs

Q.17/17 Set of Recommendations

q 17 17 brief summaries of draft recommendations 1 3
Q.17/17 Brief Summaries of draft Recommendations 1/3
  • X.gcs, Guideline on countering email spam

Specifies technical issues on countering e-mail spam. It provides the current technical solutions and related activities from various SDOs and relevant organizations on countering e-mail spam. The purpose of the Recommendation is to provide useful information to the users who want to find technical solutions on countering e-mail spam and it will be used as a basis for further development of technical Recommendations on countering email spam.

  • X.ocsip, Overview of countering spam for IP multimedia applications

Specifie basic concepts, characteristics, and effects of spam in IP multimedia applications such as IP telephony, video on demand, IPTV, instant messaging, multimedia conference, etc. It will provide technical issues, requirements for technical solutions, and various activities on countering spam for IP multimedia applications. It will provide basis and guideline for developing further technical solutions on countering spam.


Q.17/17 Brief Summaries of draft Recommendations 2/3

  • X.csreq, Requirement on countering spam

Requirements on countering spam are clarified in this Recommendation. There are many types of spam, such as email spam, mobile messaging spam and IP multimedia spam. Various types of spam may have both common and specific requirements on countering it. For one type of spam, the requirement in different entities should also be clarified.

  • X.fcs, Technical framework for countering email spam

Specifies the technical framework for network structure for countering spam. Functions inside the framework are defined.It also provides universal rules of distinguishing spam from other emails and the common methods of countering email spam.

  • X.tcs, Technical means for countering spam

Communication network is evolving, more services are emerging, and capability of spammers is stronger. Moreover, no single technical means has perfect performances on countering spam currently. It may be necessary to propose new technical countermeasures.


Q.17/17 Brief Summaries of draft Recommendations 3/3

  • X.fcsip, Framework of countering IP multimedia spam

Specifies general architecture of countering spam system on IP multimedia applications such as IP telephony, instant messaging, multimedia conference, etc. It will provide functional blocks of necessary network entities to counter spam and their functionalities, and describe interfaces among the entities. To build secure session against spam attack, User Terminals and edge service entities such as proxy server or application servers will be extended to have spam control functions. Shown are interfaces between these extended peer entities, and interfaces with other network entities which can involve for countering spam.

  • X.tcs-1, Interactive countering spam gateway system

Specifies interactive countering spam gateway system as a technical mean for countering various types of spam. The gateway system enables spam notification from receiver’s gateway to sender’s gateway, prevents spam traffic from going across the network. This specification defines architecture for the countering spam gateway system, describes basic entities, protocols and functions, provides mechanisms for spam detection, countering spam information sharing, and countering spam actions of the gateway systems.

sg 4 security management systems
SG 4: Security Management Systems
  • To complement the M.3016 series on Security of the Management Plane which is focused on interfaces, SG 4 has initiated new work on Security Management Systems (SMS). It is viewed as a key addition to support NGN Management.
  • Based on equivalent work in ATIS TMOC, M.sec-mgmt-sys is expected to
    • Draw on security concepts from X.800 and X.805
    • Describe the logical SMS architecture to be realized in one or more physical systems
    • Describe the managed network elements supported by SMS
    • Specify the SMS functional requirements
  • As with the M.3016 series, a proforma will be provided as a template for other SDOs and forums to indicate for their membership what parts of M.sec-mgmt-sys are mandatory or optional
sg 11 security signaling protocol draft recommendation in progress
SG 11: Security signaling protocol draft Recommendation in progress
  • Draft Recommendation Q.3201 (formerly Q.NGN-nacf-sec), EAP-based security signaling protocol architecture for network attachment
    • Describes the security signalling requirements and protocol architecture for supporting access security aspect of network attachment in NGN environment. Basic threats and security requirements for the attachment of NGN access networks are analyzed, and a model of an EAP-based security signalling protocol architecture accommodating heterogeneous multi-links in NGN access environment is presented. Based on it, three feasible scenarios for authentication signalling in NGN network attachment control function are developed.
ITU-T SG 13 work on security
  • Q.15/13
  • All SG 13 Recommendations have a section on security
q 15 13 ngn security
Q.15/13 NGN Security
  • Y.2701, Security requirements for NGN release 1
  • Y.NGN Authentication
  • Y.NGN Security Mechanisms, NGN Security Mechanisms and Procedures
  • Y.NGN, Certificate Management
  • Y.NGN AAA, The Application of AAA Service for network access control in UNI and ANI over NGN
  • Y. IdMsec, NGN Identity Management Security
y 2701 security requirements for ngn release 1 pre published
Y.2701, Security requirements for NGN release 1 (pre-published)
  • Provides security requirements for Next Generation Networks (NGNs) and its interfaces (e.g., UNIs, NNIs and ANIs) by applying ITU-T Recommendation X.805, Security architecture for systems providing end-to-end communications to ITU-T Recommendation Y.2201, NGN release 1 requirements and ITU-T Recommendation Y.2012, Functional requirements and architecture of the NGN.
  • Specifies a trust model that is based on network elements (physical boxes) that support the functional entities defined in ITU-T Recommendation Y.2012.
  • Specifies requirements, which should be treated as a minimum set of security requirements. The NGN network providers are encouraged to take additional measures beyond those specified in the Recommendations for NGN security.
y ngn authentication 1 2
Y.NGN Authentication 1/2
  • Specifies authentication and authorization requirements for Next Generation Networks (NGNs) based on the ITU-T NGN release 1 Requirements and NGN Architecture (FRA). This includes requirements for one-way and mutual authentication and authorization across the User-to-Network Interface (UNI), the Network-to-Network Interface (NNI) and the Application-to-Network Interface (ANI). The scope of this Recommendation covers:
    • Authentication and authorization of users for network access (e.g., authentication and authorization of an end user device, a home network gateway, or an enterprise gateway to obtain access or attachment to the network)
    • Service provider authentication and authorization of users for access to a service/application (e.g., authentication and authorization of an user, a device or a combined user/device where the authentication and authorization applies to NGN service/application access)
y ngn authentication 2 2
Y.NGN Authentication 2/2
  • Service provider authentication and authorization of users for access to a specific service/application (e.g., ETS and TDR- specific authentication and authorization)
  • User authentication and authorization of a network (e.g., user authenticating the identity of the NGN network or of the service provider)
  • User peer-to-peer authentication and authorization (e.g., authentication and authorization of the called user (or terminating entity), authentication and authorization of the originating entity, or data origin authentication as network functions)
  • Mutual network authentication and authorization (e.g., authentication and authorization across NNI interface at the transport level, or service/application level)
  • Authentication and authorization of a 3rd party service/application Provider
  • Use of a 3rd party authentication and authorization service
y ngn security mechanisms ngn security mechanisms and procedures
Y.NGN Security Mechanisms, NGN Security Mechanisms and Procedures
  • Describes specific security mechanisms that should be used to realize the requirements of Y.2701, Security Requirements for NGN release 1. It covers the following security subjects:
    • Identification and authentication
    • Media security
    • Audit trail, trapping, and logging systems
    • Transport security for signalling and OAMP (Operations, Administration, Maintenance, and Provisioning)
    • CPE (Customer Premises Equipment) provisioning
y ngn certificate management
Y.NGN, Certificate Management
  • Defines procedures for managing the X.509 certificates used for providing NGN security
  • Specifies the use of X.509 certificates for authentication of the NGN network elements based on policy and business agreements
y ngn aaa the application of aaa service for network access control in uni and ani over ngn
Y.NGN AAA, The Application of AAA Service for network access control in UNI and ANI over NGN
  • Specifies the authentication and authorization procedures for the NGN. It is based on the principles established in ITU-T Recommendations Y.2701,Security requirements for NGN release 1and Y.2012, Functional requirements and architecture of the NGN. Y.NGN AAA provides recommendations on authentication and authorization across the User-to-Network Interface (UNI) and the Application-to-Network Interface (ANI)
y idmsec ngn identity management security
Y.IdMsec, NGN Identity Management Security
  • Describes the fundamental concepts associated with NGN Identity Management
  • Provides a framework for Identity Management that is based on the NGN Functional Requirements and Architecture (FRA) release 2. This IdM framework is applicable to all NGN entities (e.g., service providers, network providers, network elements, users and user’s equipment)
  • Outlines the threats and risks to Identity Management within an NGN environment
  • Describes trust models for Identity Management within an NGN environment
  • Specifies security objectives and requirements for NGN Identity Management
q 15 13 s major contributions on security to the work of other questions and study groups
Q.15/13’s Major Contributions on Security to the Work of other Questions and Study Groups
  • Q.15/13 led the development of the Security Considerations and Requirements section of ITU-T Recommendation Y.2111, Resource and admission control functions in Next Generation Networks (Y.2111 was developed by Q.4/13)
  • Q.15/13 participated to the development of the ITU-T Recommendation EAP-Based Security Signaling Protocol Architecture for Network Attachment (the Recommendation is being developed by Q.7/11)
q 25 16 multimedia security in next generation networks ngn mm sec
Q.25/16 “Multimedia Security inNext-Generation Networks”(NGN-MM-SEC)
  • Study Group 16 concentrates on multimedia systems.
  • Q.25/16 focuses on the application-security issues of MM applications in next generation networks
  • Standardizes multimedia security
  • So far Q.25/16 has been standardizing MM-security for the “1st generation MM/pre-NGN-systems”:
    • H.323/H.248-based systems
    • H.235 sub-series Recommendations provide a framework and a set of requirements for multimedia systems
evolution of h 235

Improvement and Additions

Core SecurityFrameworkEngineering

1st Deployment








H.235V3 Amd1 + Annex H

H.235V3 Amd1


Annex I

H.235 Annex G


Annex D

Annex E


Security Profiles

Annex D

Annex E


Annex F





Initial Draft

















Evolution of H.235
h 235 v4 sub series recommendations
H.235 V4 sub-series Recommendations
  • Major restructuring of H.235v3 Amd.1 and annexes in stand-alone sub-series Recommendations
  • H.235.x sub-series specify scenario-specific MM-security procedures as H.235-profiles for H.323
  • Some new parts added
  • Some enhancements and extensions
  • Incorporated corrections
  • Approved in September 2005
h 323 security recommendations 1 4
H.323 Security Recommendations 1/4
  • H.235.0, Security framework for H-series (H.323 and other H.245-based) multimedia systems
    • Overview of H.235.x sub-series and common procedures with baseline text
  • H.235.1, Baseline Security Profile
    • Authentication & integrity for H.225.0 signaling using shared secrets
  • H.235.2, Signature Security Profile
    • Authentication & integrity for H.225.0 signaling using X.509 digital certificates and signatures
h 323 security recommendations 2 4
H.323 Security Recommendations 2/4
  • H.235.3, Hybrid Security Profile
    • Authentication & integrity for H.225.0 signaling using an optimized combination of X.509 digital certificates, signatures and shared secret key management;specification of an optional proxy-based security processor
  • H.235.4, Direct and Selective Routed Call Security
    • Key management procedures in corporate and in interdomain environments to obtain key material for securing H.225.0 call signaling in GK direct-routed/selective routed scenarios



h 323 security recommendations 3 4
H.323 Security Recommendations 3/4
  • H.235.5, Framework for secure authentication in RAS using weak shared secrets
    • Secured password (using EKE/SPEKE approach) in combination with Diffie-Hellman key agreement for stronger authentication during H.225.0 signaling
  • H.235.6, Voice encryption profile with native H.235/H.245 key management
    • Key management and encryption mechanisms for RTP



h 323 security recommendations 4 4
H.323 Security Recommendations 4/4
  • H.235.7, Usage of the MIKEY Key Management Protocol for the Secure Real Time Transport Protocol (SRTP) within H.235
    • Usage of the MIKEY key management for SRTP
  • H.235.8, Key Exchange for SRTP using secure Signalling Channels
    • SRTP keying parameter transport over secured signaling channels (IPsec, TLS, CMS)
  • H.235.9, Security Gateway Support for H.323
    • Discovery of H.323 Security Gateways(SG = H.323 NAT/FW ALG) and key management for H.225.0 signaling



other sg16 mm sec results
Other SG16 MM-SEC Results
  • H.350.2 (2003), H.350.2 Directory Services Architecture for H.235
    • An LDAP schema to represent H.235 elements (PWs, certificates, ID information)
  • H.530 (Revision 2003), Symmetric security procedures for H.323 mobility in H.510
    • Authentication, access control and key management in mobile H.323-based corporate networks
  • Draft H.460.22 (Jan. 2007), Security protocol negotiation
    • Negotiate security protocols (IPsec or TLS or others) for H.323 signaling
q 5 16 h 300 nat fw traversal results 1 2
Q.5/16 (H.300 NAT/FW Traversal) Results 1/2
  • H.460.18 (Sep. 2005), Traversal of H.323 signalling across FWs and NATs
    • H.323 protocol enhancements and new client/server proxies to allow H.323 signalling protocols traverse NATs & FWs;H.323 endpoints can remain unchanged
  • H.460.19 (Sep. 2005), NAT & FW traversal procedures for RTP in H.323 systems
    • Uses multiplexed RTP media mode and symmetric RTP in conjunction with H.460.18 as a short-term solution
more q 5 16 results 2 2
More Q.5/16 Results 2/2
  • Technical Paper (2005), Requirements for Network Address Translator and Firewall Traversal of H.323 Multimedia Systems
    • Documentation of scenarios and requirements for NAT & FW traversal in H.323
  • Technical Paper (2005), Firewall and NAT traversal Problems in H.323 Systems
    • An analysis of scenarios and various problems encountered by H.323 around NAT & FW traversal
new q 25 16 items under current study 1 2
New Q.25/16 itemsunder current study 1/2
  • Study Anti-DDoS (Denial-of-Service) countermeasures for (H.323-based) NAT/FW proxy and MM applications
  • Security for MM-QoS (
  • MM security aspects of Vision “H.325”Advanced Multimedia Systems (AMS)
    • Goal: MM-security for “H.325”,MM security for Audiovisual on Demand services, Multimedia Conferencing, Distant learning,..
new q 25 16 items under current study
New Q.25/16 itemsunder current study
  • Study Multimedia-Security aspects of Digital Rights Management (MM-DRM)
    • What does MM-DRM mean?
    • Understand DRM security needs for MM content of MM applications (e.g. IPTV,…)
    • Contributions are solicited
    • Which other groups are active/interested in this area?
  • Draft H.proxy
    • Goal: Specify proxy-aided NAT/firewall traversal mechanism as a NAT traversal solution for H.323 multimedia systems
    • Intended for Consent in July 2007
sg 16 summary
SG 16: Summary
  • Multimedia systems and applications as being studied by SG 16 face important security challenges:
    • MM-security and NAT/FW traversal
  • Q.25/16 and Q.5/16 are addressing these issues and have provided various Recommendations
  • The work continues in the scope ofNGN-Multimedia Security