1. Security Basics

1.1. What is Security?
1.2. Assessment
1.3. Prevention
1.4. Detection
1.5. Reaction

2. Threats and Risk Assessment

2.1. Classes of Attackers
2.2. Types of Attacks
2.3. Trade Offs

3. Physical Access

3.1. Physical Security
3.2. Hardware Security
3.3. Understanding the Linux Boot Process

4. Logging

4.1. Logging Overview
4.2. Syslog Services
4.3. The Linux Kernel Audit Daemon
4.4. Linux Firewall Logging
4.5. Log Reports

5. Auditing and Detection

5.1. Auditing Basics
5.2. Understanding an Attack Progression
5.3. Detecting an Attack
5.4. Intrusion Detection Systems

6. Application Security

6.1. Bugs and Tools
6.2. Tracking and Documenting Changes
6.3. Resource Access Control
6.4. Mitigation Techniques
6.5. Policy Based Access Control Frameworks
6.6. Real World Example

7. Kernel Vulnerabilities

7.1. Kernel and User Spaces
7.2. Bugs
7.3. Mitigating Kernel Vulnerabilities
7.4. Vulnerabilities Examples

8. Authentication

8.1. Encryption and Authentication
8.2. Passwords and PAM
8.3. Hardware Tokens
8.4. Biometric Authentication
8.5. Network and Centralized Authentication

9. Local System Security

9.1. Standard UNIX Permissions
9.2. Administrator Account
9.3. Advanced UNIX Permissions
9.4. Filesystem Integrity
9.5. Filesystem Quotas

10. Network Security

10.1. TCP/IP Protocols Review
10.2. Remote Trust Vectors
10.3. Remote Exploits

11. Network Services Security

11.1. Network Tools
11.2. Databases
11.3. Web Server
11.4. File Servers

12. Denial of Service

12.1. Network Basics
12.2. DoS Methods
12.3. Mitigation Techniques

13. Remote Access

13.1. Unencrypted Protocols
13.2. Accessing Windows Systems
13.3. SSH
13.4. IPSEC VPNs

14. Firewalling and Packet Filtering

14.1. Firewalling Basics
14.2. iptables
14.3. Netfilter Implementation
14.4. Netfilter rule management
14.5. Mitigate Brute Force Login Attempts

15. Response and Mitigation

15.1. Preparation
15.2. During an Incident
15.3. Handling Incident Aftermath