Teaching material based on Distributed Systems: Concepts and Design, Edition 3, Addison-Wesley 2001. Distributed Sy ted Systems Course Security rity Copyright © George Coulouris,…

Slide 1Binary Analysis for Botnet Reverse Engineering & Defense Dawn Song UC Berkeley Slide 2 Binary Analysis Is Important for Botnet Defense Botnet programs: no source…

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Slide 1 Encryption and Firewalls Slide 2 2 Objectives Describe the role encryption plays in a firewall architecture Explain how digital certificates work and why they are…

Slide 1 Computer Science Lecture 22, page 1 Security in Distributed Systems Introduction Cryptography Authentication Key exchange Readings: Tannenbaum, chapter 8 Ross/Kurose,…

Slide 1 SEC835 Cryptography Basic Slide 2 Major Security Services Present in any web application Cryptography, or cryptosystem User’s authentication Access control Audit…

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Steganography Outline What is Steganography? History Steganography used nowadays? Terms Steganography methods Steganography Available Software Steganalysis Commercial Steganograhic…

Encryption and Firewalls Objectives Describe the role encryption plays in a firewall architecture Explain how digital certificates work and why they are important security…

An Introduction to Cryptography What is cryptography? noun \krip-ˈtä-grə-fē\ : the process of writing or reading secret messages or codes “Encryption”: to put into…