BCA Information Security

Computer Security Concepts, Computer Security, Information Security, Network Security, Threats, Attacks and Assets, Security Requirements, Security Design Principles, Attack Surfaces and Attack Trees, Computer Security Strategy

Classical Cryptosystems: Ceasar, Vignere, Playfair, Rail Fence Ciphers, Modern Ciphers: Block vs. Stream Ciphers, Symmetric vs. Asymmetric Ciphers, Symmetric Encryption: Fiestel Cipher Structure, Data Encryption Standards (DES), Basic Concepts of Fields: Groups, Rings, Fields, Modular Arithmetic, Galois Fields, Polynomial Arithmetic, Advanced Encryption Standards (AES), Number Theory: Prime Numbers, Fermat's Theorem, Primility Testing: Miller-Rabin Algorithm, Euclidean Theorem, Extended Euclidean Theorem, Euler Totient Function, Asymmetric Encryption: Diffie-Helman Key Exchange, RSA Algorithm

Message Authentication, Hash Functions, Message Digests: MD4 and MD5, Secure Hash Algorithms: SHA-1, HMAC, Digital Signatures

User Authentication Principles, Password-Based Authentication, Token-Based Authentication, Biometric Authentication, Remote User Authentication, Two Factor Authentication

Access Control Principles, Subjects, Objects and Access Rights, Access Control Matrix and Capability Lists, Discretionary Access Control, Role Based Access Control, Attribute Based Access Control, Identity, Credential and Access Management, Trust Frameworks

Malicious Software, Virus and its phases, Virus Classification, Worm, Worm Propagation Model, State of Worm Technology, Trojan Horse, Intrusion and Intruders, Intrusion Detection System, Analysis Approaches: Anomaly Based, Signature Based, Honeypots

Overview of Network Security, Email Security: S/MIME, Pretty Good Privacy (PGP), Secure Socket Layer (SSL) and Transport Layer Security (TLS), IP Security (IPSec), Firewalls and their types

Security Audit, Security Auditing Architecture, Security Audit Trail, Implementing Logging Function, Audit Trail Analysis