UNIT – 1 
Introduction
1.1 Meaning of Data & Information.
1.2 Basic Principles of Information Security.
1.3 Importance of Information Security.
1.4 Information System Threats and attacks.
1.5 Information Security Policy and Procedure.

UNIT – 2 
E-commerce and Social Networking
2.1 E- Commerce : Definition of E- Commerce, Security Threats to E-Commerce.
2.2 Modes of Electronics Payment : Internet Banking, E-Cash, Credit/Debit Cards, E-Wallet.
2.3 E-Commerce Frauds and Preventions.
2.4 Social Networking : Meaning, Advantages & Disadvantages of Social Networking, Security issues related to social media, Cyber Crimes related to Social Networking.

UNIT – 3
Physical and Logical Access Controls
3.1 Cryptography : Meaning, Types: Symmetric and Asymmetric, Model of Cryptography System.
3.2 Digital Signature: Requirement of Digital Signature System and Mechanism of Digital Signature.
3.3 Physical Security : Meaning & Needs, Disaster and Controls Systems
3.4 Biometrics System: Meaning & Benefits of Biometrics Systems, Criteria for selection of Biometrics.

UNIT – 4 
Network Security
4.1 Basic Concepts of Network Security, Types of network attacks : Interruption, Interception, Modification, Fabrication.
4.2 Intrusion Detection System : Need and Types of Intrusion Detection System.
4.3 Virtual Private Networks : Concept, Types of VPNs and their Usage, Use of Tunneling with VPN.
4.4 Firewall : Concept, Types and Importance.

UNIT – 5 
Cyber Crime and Preventions
5.1 Introduction to Cyber Crime and classification of Cyber Crime.
5.2 Email Tracing and Tracking, Hacking, Phishing, Cyber Terrorism, Identity Theft, DoS attack, Spoofing.
5.3 Steps of Cyber Crime Prevention, Cyber Crime Reporting and Investigation.

UNIT – 6 
Cyber Law and IT Act
6.1 Fundamentals of Cyber Law.
6.2 Scope of Indian Cyber Law.
6.3 Information Technology Act 2000.
6.4 Main features of the IT Act 2000.
6.5 Major Penalties and offences in IT Act 2000.
6.6 Information Technology Amendment Act 2008 and its major strengths.