Princinples of information security Lecture_1_Information_Security.pptx

This is the lecture 1 of principles of information security

1. Lecture 1: Introduction to Information Security This lecture provides a foundational understanding of information security, its history, key concepts, and models. Topics Covered: - The History of Information Security - What Is Security? - Key Information Security Concepts - Critical Characteristics of Information - CNSS Security Model - Components of an Information System - Balancing Information Security and Access - Approaches to Information Security Implementation

2. The History of Information Security Information security has evolved from simple physical protections to complex cybersecurity measures. Early computing relied on physical access controls, but the rise of networking introduced new threats. Key Milestones: - 1960s: Security concerns in mainframe computing emerged with shared systems. - 1970s-80s: Development of ARPANET and increasing cyber threats. - 1990s-Present: Growth of cryptography, firewalls, intrusion detection systems, and AI-driven security.

3. Security Evolution: 1960s-1980s

4. Security Evolution: 1990s-Present

5. What Is Security?

6. Key Information Security Concepts

7. Critical Characteristics of Information

8. CNSS Security Model

9. Components of an Information System

10. Balancing Information Security and Access

11. Approaches to Information Security Implementation

12. Modern Security Threats

13. Security Frameworks & Standards

14. Best Practices for Information Security

15. Case Study: Security Breach Example

16. Summary & Discussion

17. Review Questions