INFORMATION SECURITY LECTURE NOTES - VSSUT

INFORMATION SECURITY LECTURE NOTES (Subject Code: BIT 301) for Bachelor of Technology in INFORMATION Technology Department of Computer Science and Engineering & INFORMATION Technology Veer Surendra Sai University of Technology (Formerly UCE, Burla) Burla, Sambalpur, Odisha LECTURE Note Prepared by: Sumitra Kisan D. Chandrasekhar Rao SYLLABUS BIT-301 INFORMATION SECURITY (3-1-0) Credit-04 Module I (10 LECTURES) The SECURITY Problem in Computing: The meaning of computer SECURITY , Computer Criminals, Methods of Defense, Elementary Cryptography: Substitution Ciphers, Transpositions, Making Good Encryption algorithms, The Data Encryption Standard, The AES Encryption Algori

in Trojan horses and computer viruses. Indirect attacks An indirect attack is an attack launched by a third-party computer. By using someone else's computer to launch an attack, it becomes far more difficult to track down the actual attacker. There have also been cases where attackers took advantage of public anonymizing systems,

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