PPT-Security of Authentication Protocols

Alexander Potapov Authentication definition Protocol architectures Cryptographic properties Freshness Types of attack on protocols T woway authentication protocol attack The DiffieHellman key . Are we really safe in the cloud?. G-Force. Veronica, Jason, Doug and Socrates. Outline. 1. . . Problem definition. 2. . Businesses and . cloud. 3. Cloud models and Issues . 3. . The difference. 3. . Authentication issues. Sixth Edition. by William Stallings . Chapter 20. IP Security. “. If a secret piece of news is divulged by a spy before the time is ripe, he must be put to death, together with the man to whom the secret was told.”. Professor, Dr. sc. . ing. . . Viktors. . Gopejenko. MSc. .. . Sergejs. . Bobrovskis. Department of Computer Technologies and Natural Sciences. Information Systems Management Institute (. ISMA. ). Riga, Latvia. Rocky K. C. . Chang, 18 March 2011. 1. Rocky, K. C. Chang. 2. Outline. Rocky, K. C. Chang. 3. Authentication problems. Network-based authentication. Password-based authentication. Cryptographic authentication protocols (challenge and response). CS. . 111. Operating . System Principles . Peter Reiher. . Outline. Security goals. Access control. Cryptography. Symmetric cryptography. Asymmetric cryptography. Security Goals. Confidentiality. If it’s supposed to be secret, be careful who hears it. . Chapter . 11. Network Security. 1. Security Assessment. What is at risk?. Consider effects of risks. Different organization types have different risk levels. Posture assessment. Thorough network examination . Professor, Dr. sc. . ing. . . Viktors. . Gopejenko. MSc. .. . Sergejs. . Bobrovskis. Department of Computer Technologies and Natural Sciences. Information Systems Management Institute (. ISMA. ). Riga, Latvia. 8-. 1. Security in the layers. 8: Network Security. 8-. 2. Secure sockets layer (SSL). Transport layer security to any TCP-based app using SSL services. . Used between Web browsers, servers for e-commerce (https).. IETF-86. Joe . Salowey. Open Issues. Open Issues with Retransmission and re-authentication. Remove text about lack of . differentiation in Network . Access. Proposed Retransmission Text. 2.1 Retransmission. Shahid Raza. PhD, Senior . Researcher. SICS Swedish ICT, . Kista. shahid@sics.se. STAFF. 70. PH.D. 10. . PROFESSORS. ESTABLISHED. 6. OFFICES. OWNERS. TURNOVER. SICS FACTS. SICS . is . the leading research institute for applied computer science in Sweden. . Grid. ESORICS, September 2017. Cas Cremers, . Martin Dehnel-Wild. , and Kevin Milner. Oxford CS: Information Security Group. . High Assurance Security Research. Prof.. Cas Cremers. Martin Dehnel-Wild. Contents. Security risks. S. tandard requirements. Current security work in W3C. Call for actions about W3C security work. Summary. 2. Top 10 most critical web application security risks in 2017. 3. Note: Extracted from OWASP (Open Web Application Security Project) . Who I Am. “. Vell. , Jason’s just . zis. guy, you know?”. In the Air Force for 16.5 years. Two trips to Afghanistan. Can say “get to work” and “get in line” in Pashto and Dari. Java Programmer for 6 years. CompTIA Security . 1. A biometric system has identified and authorized user as an unauthorized user. What is this?. . a. False acceptance. . b. False rejection. . c. False positron. . d. Biometric strength.