CSE-451 (CSEN-4358) Computer & Network Security

Chapter-01 Introduction of Computer and Network SecurityIntroductionInformation Security Concept and GoalsNetwork Security Concept and GoalsCIA ModelPhysical securityOther Security ConceptsData securityAuthenticityAuthenticationAuthorizationAssuranceAnonymityChapter-02 Threats Environment Attackers and CybercrimesCybercrimesCyber AttacksCyber WarfareCyber Attack ScenariosAttacks ObjectivesPart 2Cyber ThreatsInternal Threats (Insider Threats)External ThreatsPassive attacksActive attacksPart 3Malicious SoftwareComputer virusesVirus CountermeasuresAntivirus TechniquesChapter-03 Threats Environment Attackers and Cybercrimes IIWormsBackdoor AttackLogic BombTrojan HorsesBuffer overflow attacksDenial of Service attacksSYN Flood AttackDistributed Denial of ServiceSocial EngineeringChapter-04 Cryptography IIntroduction - History of CryptographyCryptography ConceptsCryptography TechniquesSymmetric EncryptionThe Substitution CipherCaesar CipherMonoalphabetic CiphersPlayfair CipherVigenère CipherOne-Time Pad2 The Transposition Cipher TechniquesRail Fence TechniqueColumnar Transposition CipherRoute CipherChapter-05 Cryptography IICryptanalysisModern Symmetric CiphersData Encryption Standard (DES)