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Introduction to the ISO 27000 series

Introduction to the ISO 27000 series. ISO 27000 – principles and vocabulary (in development) ISO 27001 – ISMS requirements (BS7799 – Part 2) ISO 27002 – (ISO/ IEC 17799:2005) from 2007 onwards ISO 27003 – ISMS Implementation guidelines (due 2007)

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Introduction to the ISO 27000 series

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  1. Introduction to theISO 27000 series • ISO 27000 – principles and vocabulary (in development) • ISO 27001 – ISMS requirements (BS7799 – Part 2) • ISO 27002 – (ISO/ IEC 17799:2005) from 2007 onwards • ISO 27003 – ISMS Implementation guidelines (due 2007) • ISO 27004 – ISMS Metrics and measurement (due 2007) • ISO 27005 – ISMS Risk Management • ISO 27006– 27010 – allocation for future use

  2. ISO 27000: Principles & Vocabulary • This standard will explain the terminology for all the 27000 series family of standards • This development will address global concerns on definitions that vary from country to country – so consistency will be established • Hopefully these principles will impact on other standards like COBIT(IT Processes) and ITIL (IT Service Delivery) and avoid any confusion

  3. ISO 27001: ISMS Requirements • ISO/ IEC is progressing an ISMS standard based on BS7799 Part 2 • With some improvements and changes • Annex B (Implementation Guidance has been removed) this will become 27003 • At the final stage of editorial balloting • Estimated publication date November 2005 • Once ISO 27001 is published BS7799 Part 2 will be withdrawn • Interim Period (Now until November 2005) • The technically stable version ISO/IEC FDI 27001 is likely to be available for purchase from BSI. • BSI have quoted ‘those purchasing the FDIS version now will get a copy of the ISO version when published’ (estimated to be November 2005)

  4. ISO 27001 ISMS Requirements

  5. ISO 27001: ISMS Highlights Clarifies and improves existing PDCA process requirements • ISMS scope (inc. details & justification for any exclusions) • Approach to risk assessment (to produce comparable & reproducible results) • Selection of controls (criteria for accepting risks) • Statement of Applicability (currently implemented) • Reviewing risks • Management commitment • ISMS internal audits • Results of effectiveness and measurements (summarised statement on ‘measures of effectiveness’) • Update risk treatment plans, procedures and controls

  6. ISO 27002: ISO/IEC 17799:2005(from Nov05) • 11 sections specify 39 control objectives to protect information assets • Provides 134 best practice controls that can be adopted based on a risk assessment process – but leaves an organisation free to select controls not listed in the standard – giving great flexibility in implementation (but challenging for certification bodies!) • New recommendations cover : - security of external service delivery & provisioning of outsourcing - patch management and other current issues - security prior to, during and at termination of employment - guidance on risk management, and a section on incident management - mobile, remote & distributed communications & information processing

  7. ISO 27003 : ISMS Implementation Guidelines • A new (JTC 1/SC27) project on implementation guidelines to support the new requirement specification standard • Annex B of BS7799 Part 2 is the basis:- - overview - management responsibilities - governance & regulatory compliance - personal security & human resources - asset management - availability/continuity of business processes - handling information incidents - access control - risk management case studies

  8. ISO 27004 : Metrics and Measurement • ISO/IEC has a new project to develop an ISMS Metrics and Measurements Standard • This development is aimed at addressing how to measure the effectiveness of ISMS implementations (processes and controls) • Performance targets • What to measure • How to measure • When to measure

  9. ISO 27005: ISMS Risk Management • A new standard on ‘Information Security Risk Management’ – an ISO version of the soon to be published BS7799 Part 3 • This standard is being drawn up by the DTI/Cabinet Office – with significant input from CSIA (central Sponsor for Information Assurance) – draft for consultation came out in July 2005 with consultation period finishing in October 2005 • Will be linked to MITS-2 - a new management standard for ICT risk management – currently in development

  10. ISO 27000 series : Benefits/Obstacles BENEFITS • Alignment to ISO 9000 series on Quality Management • Ensured a level of consistency in IS Management • International cohesion • Professional acknowledgement • Governance Benefits OBSTACLES • International acceptance & take-up • Nation state support & agreement

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