'Shared secret key' diaporamas de présentation

Wireless LAN Security

Network Security. Wireless LAN Security. Lecture 8. WLAN Security - Contents. Wireless LAN 802.11 Technology Security History Vulnerabilities Demonstration. Wireless LANs. IEEE ratified 802.11 in 1997. Also known as Wi-Fi. Wireless LAN at 1 Mbps & 2 Mbps.

997 views • 62 slides

Wireless LAN Security

Network Security. Wireless LAN Security. Lecture 8. WLAN Security - Contents. Wireless LAN 802.11 Technology Security History Vulnerabilities Demonstration. Wireless LANs. IEEE ratified 802.11 in 1997. Also known as Wi-Fi. Wireless LAN at 1 Mbps & 2 Mbps.

842 views • 62 slides

Standards

Standards. Kerberos V4. Goals of Kerberos.

640 views • 57 slides

Internetwork Technologies

Internetwork Technologies. Internetwork Security. Authentication Is that you? Nonrepudiation No denying it Access control Hands off! Reputation Name = MUD. What are you trying to secure?. Confidentiality Avoid snooping Encryption? Integrity Deletes, changes Backups Availability

871 views • 54 slides

CS6223: Distributed Systems

CS6223: Distributed Systems. Security. Attacks on Distributed Systems. Eavesdropping. Obtaining copies of data without authority. Message tampering. Intercepting messages and altering their contents.

573 views • 45 slides

Security

525 views • 45 slides

Arab Academy for Science & Technology and Maritime Transport

Arab Academy for Science & Technology and Maritime Transport. e. Represented By : Ahmed Eldemallawy Ahmed Madani. Agenda. e -Mail. e -Commerce. Email Email Security Enhancements PGP ( Pretty Good Privacy ) S/MIME (Secure/Multipurpose Internet Mail Extensions). Email.

786 views • 44 slides

Computer Science 425 Distributed Systems CS 425 / CSE 424 / ECE 428 Fall 2010

Computer Science 425 Distributed Systems CS 425 / CSE 424 / ECE 428 Fall 2010. Indranil Gupta (Indy) November 16, 2010 Lecture 25 Security Reading: Chapter 7 (relevant parts). ? 2010, I . Gupta, K. Nahrtstedt, S. Mitra, N. Vaidya, M. T. Harandi, J. Hou. ISIS algorithm for total ordering. P.

532 views • 37 slides

EE515/IS523 Think Like an Adversary Lecture 3 Cryptography in a Nutshell

EE515/IS523 Think Like an Adversary Lecture 3 Cryptography in a Nutshell. Yongdae Kim. Recap. http://syssec.kaist.ac.kr/courses/ee515 E-mail policy Include [ee515] or [is523] in the subject of your e-mail Student Survey http://bit.ly/SiK9M3 News posting

439 views • 37 slides

COEN 350

COEN 350. Mobile Security. Wireless Security. Wireless offers additional challenges: Physical media can easily be sniffed. War Driving Legal? U.S. federal computer crime statute, Title 18 U.S.C. 1030,

463 views • 31 slides

CSCE 715: Network Systems Security

CSCE 715: Network Systems Security. Chin-Tser Huang huangct@cse.sc.edu University of South Carolina. Web Security. Web is now widely used by business, government, and individuals But Internet and Web are vulnerable Have a variety of threats integrity confidentiality denial of service

302 views • 29 slides

Transport Level Security

Transport Level Security. Raj Jain Washington University in Saint Louis Saint Louis, MO 63130 Jain@cse.wustl.edu Audio/Video recordings of this lecture are available at: http://www.cse.wustl.edu/~jain/cse571-11/. Overview. Secure Sockets Layer (SSL) Transport Layer Security (TLS) HTTPS

639 views • 27 slides

Spring 2012: CS419 Computer Security

Vinod Ganapathy SSL, etc. Spring 2012: CS419 Computer Security. Internet Security Protocols and Standards. Secure Sockets Layer (SSL) / Transport Layer Security (TLS) IPv4 and IPv6 Security S/MIME (Secure/Multipurpose Internet Mail Extension). Secure Sockets Layer (SSL).

402 views • 26 slides

Cryptography and Network Security

Cryptography and Network Security. Third Edition by William Stallings Lecture slides by Lawrie Brown Edited by Dick Steflik. Web Security. Web now widely used by business, government, individuals but Internet & Web are vulnerable have a variety of threats integrity confidentiality

314 views • 23 slides

Lecture 16: Security

349 views • 21 slides

FIT3105 Crypto-based identification

FIT3105 Crypto-based identification. Lecture 6. Outline. The importance of crypto-based identification. Secret key crypto based identification. Public key crypto based identification. Performance of crypto-based identification. Challenges of crypto-based identification.

478 views • 17 slides

Cryptography and Network Security Chapter 16

198 views • 17 slides

Standards

Standards. Kerberos V4. Goals of Kerberos.

262 views • 16 slides

Efficient Multi-server Password Authenticated Key Agreement Using Smart Cards

Efficient Multi-server Password Authenticated Key Agreement Using Smart Cards. Computer and Information Security 92321509 Ming-Hong Shih. Source. Wen-Shenq Juang , IEEE Transactions on Consumer Electronics, Vol. 50, No. 1,pp. 251-255, Feb. 2004.

298 views • 15 slides

Asymmetric encryption

396 views • 11 slides