UNIT 1 FUNDAMENTALS 9 History − What is Information Security? − Critical characteristics of information − NSTISSC security model − Components of an information system − Securing the components − Balancing security and access − SDLC − Security SDLC. U....

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....