Unit 625: Comprehensive Computer Security

1. Introduction to Computer Security

• Definition and scope of computer security
• Importance of protecting data and systems
• Common security threats and vulnerabilities
• Goals of computer security: Confidentiality, Integrity, Availability (CIA triad)

2. Types of Cyber Attacks

• Overview of cyber attacks
• Malware: viruses, worms, trojans, spyware, adware
• Phishing attacks: techniques and detection
• Ransomware: impact and mitigation
• Distributed Denial of Service (DDoS) attacks
• Social Engineering: methods and prevention

3. Principles of Secure System Design

• Least Privilege Principle
• Defense-in-Depth strategy
• Security by Design approach
• Secure coding practices and common pitfalls
• Threat modeling and risk assessment

4. Cryptography and Encryption

• Introduction to cryptography: history and purpose
• Symmetric vs asymmetric encryption algorithms
• Key management best practices
• Digital signatures and certificates
• Use cases: securing data storage and communications

5. Network Security

• Network security protocols (SSL/TLS, IPSec)
• Secure communication channels: VPNs
• Firewalls: types and configurations
• Intrusion Detection Systems (IDS) and Intrusion Prevention Systems (IPS)
• Network segmentation and access control

6. Security Policies and Procedures

• Importance of security policies
• Access control mechanisms: authentication and authorization
• Incident response plans and management
• Security audits and compliance requirements (e.g. GDPR, HIPAA)
• User awareness and training programs

7. Secure Web Applications

• Common web application vulnerabilities (OWASP Top 10)
• Secure web development best practices
• Use of Web Application Firewalls (WAF)
• Prevention techniques for SQL injection, cross-site scripting (XSS), and other attacks
• Secure session management and data validation

8. Physical Security Measures

• Role of physical security in overall security posture
• Access control systems: locks, badges, biometrics
• Surveillance cameras and monitoring
• Securing hardware and devices from theft or damage
• Designing secure facilities and data centers

9. Mobile Security

• Security challenges unique to mobile devices
• Mobile app security best practices
• Secure mobile communication protocols
• Strategies for protecting mobile data and devices
• Mobile device management (MDM) solutions

10. Emerging Trends in Computer Security

• Artificial intelligence and machine learning for threat detection
• Blockchain technology for secure transactions
• Security challenges in Internet of Things (IoT)
• Impact of cloud computing on security practices
• Future outlook and evolving threats