'Dictionary attack' presentation slideshows

CSci 8271 Security and Privacy in Computing Lecture 1 Introduction

CSci 8271 Security and Privacy in Computing Lecture 1 Introduction. Fall 2011 Yongdae Kim. Introduction. Csci 8271: Security and Privacy in Computing Sixth offering Yongdae Kim 9 year-old hard-working, but not bright prof :-) E-mail: kyd(at)cs.umn.edu preferred Phone: 612-626-7526

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Secure Human-Computer Identification against Peeping Attacks (SecHCI): A Survey

Secure Human-Computer Identification against Peeping Attacks (SecHCI): A Survey. Shujun Li , Harry Shum Visual Computing Group Microsoft Research Asia Sep. 2002. Outline. Introduction A User Study SecHCI: General Model SecHCI: A Comprehensive Survey SecHCI: Other Related Works

557 views • 40 slides

Chapter 3

679 views • 39 slides

CS363

Week 7 - Friday. CS363. Last time. What did we talk about last time? OS security Directory-based systems Access control lists. Questions?. Project 2. Assignment 3. Security Presentation. Taylor Ryan. Role-based access control.

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System Hacking Techniques

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Lecture 6 User Authentication ( cont )

Lecture 6 User Authentication ( cont ). modified from slides of Lawrie Brown. Password File Access Control. can block offline guessing attacks by denying access to encrypted passwords. make available only to privileged users. vulnerabilities.

364 views • 26 slides

Threat Model

Threat Model. Tim Moore. Focused on ESS Looked at 802.11 1999 and then RSN to fix 1999 issues Not complete. 802.1X key management. Station. AP. 802.11 MAC. Threats. Spoofing Tampering Repudiation Information Disclosure Denial of Service Elevation of Privilege. Data message

299 views • 24 slides

Threat Model

Threat Model. Tim Moore. Focused on ESS Looked at 802.11 1999 and then RSN to fix 1999 issues Not complete. 802.1X key management. Station. AP. 802.11 MAC. Threats. Spoofing Tampering Repudiation Information Disclosure Denial of Service Elevation of Privilege. Data message

365 views • 24 slides

ACCESS CONTROL MANAGEMENT

PROJECT GROUP # 3. ACCESS CONTROL MANAGEMENT. Poonam Gupta Sowmya Sugumaran. Overview. Goal of the project Project Progress Closer look at the TGTs Few security issues in Kerberos

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More Network Security Threats

More Network Security Threats. Worm = a stand-alone program that can replicate itself and spread Worms can also contain manipulation routines to perform other actions: Modifying or deleting files Using system resources Collecting information Etc. The Morris Worm.

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CMSC 414 Computer and Network Security Lecture 22

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Exploring usability effects of increasing security in click-based graphical passwords

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Lecture 5 User Authentication

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Encryption, Privacy, & Authentication

Encryption, Privacy, & Authentication. Chris R Chris H Mindy C. Project Overview. Two Components Evaluation/Authentication Setup of each wireless security Comparison between authentication Evaluation of encryptions Cracking Ease of breaking Methods used. Authentication. WEP64 WEP128.

361 views • 12 slides

Advanced IPv6 Residential Security draft-vyncke-advanced-ipv6-security -03

Advanced IPv6 Residential Security draft-vyncke-advanced-ipv6-security -03. Eric Vyncke ev@ cisco.com Mark Townsley townsley@ cisco.com Andrew Yourtchenko ay@cisco.com November 2011. Advanced Security. Dynamic Policy & Signatures Update . On-line Access to IP Address Reputation. IPS.

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Lecture 11: Strong Passwords

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EMU BOF

EMU BOF. EAP Method Requirements Bernard Aboba Microsoft Thursday, November 10, 2005 IETF 64, Vancouver, CA. EAP Method Requirements. Input received Liaison requests received from 3GPP, IEEE 802.11 3GPP dependencies on EAP SIM, AKA EAP SIM, AKA now in RFC Editor Queue

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Secure PSK Authentication

193 views • 7 slides

RADIUS Shared Secret Security Amplification A practical approach to improved security

RADIUS Shared Secret Security Amplification A practical approach to improved security. http://www.funk.com/documents/ draft-funk-radiusext-shared-secret-amp-00.txt Paul Funk Funk Software. Shared Secret Question. Is RADIUS encryption/validation good enough?

230 views • 7 slides

Hash decoder

Hash decoder. By: Niklas Hjern Erik Hogeman Jonas Vistrand. Short description. Hardware accelerated hash decoder . SHA1 hashed password . Different types of attacks: Brute -force. Dictionary attack. PS/2 keyboard as input, VGA display as output. The system.

196 views • 3 slides