Network Security and Defense

  1. Securing Network Communications
    1. Cryptographic Foundations
      1. Symmetric Encryption
        1. Advanced Encryption Standard
          1. Data Encryption Standard
            1. Block Cipher Modes
              1. Stream Cipher Implementation
                1. Key Management Systems
                2. Asymmetric Encryption
                  1. RSA Algorithm
                    1. Elliptic Curve Cryptography
                      1. Diffie-Hellman Key Exchange
                        1. Digital Signature Algorithms
                        2. Hash Functions
                          1. SHA Family Algorithms
                            1. MD5 Limitations
                              1. Hash-Based Message Authentication
                                1. Collision Resistance
                                2. Digital Signatures
                                  1. Signature Generation Process
                                    1. Signature Verification
                                      1. Non-Repudiation Services
                                        1. Certificate Integration
                                        2. Public Key Infrastructure
                                          1. Certificate Authority Hierarchy
                                            1. Certificate Lifecycle Management
                                              1. Certificate Revocation Lists
                                                1. Online Certificate Status Protocol
                                              2. Virtual Private Networks
                                                1. VPN Protocols
                                                  1. IPsec Implementation
                                                    1. Authentication Header
                                                      1. Encapsulating Security Payload
                                                        1. Internet Key Exchange
                                                          1. Security Association Management
                                                          2. SSL/TLS VPN
                                                            1. Handshake Protocol
                                                              1. Record Protocol
                                                                1. Certificate Authentication
                                                                  1. Session Management
                                                                  2. Point-to-Point Tunneling Protocol
                                                                    1. PPTP Authentication
                                                                      1. PPTP Encryption
                                                                        1. Security Limitations
                                                                        2. Layer 2 Tunneling Protocol
                                                                          1. L2TP over IPsec
                                                                            1. Tunnel Establishment
                                                                              1. Authentication Methods
                                                                            2. VPN Deployment Models
                                                                              1. Site-to-Site VPN
                                                                                1. Gateway-to-Gateway Connections
                                                                                  1. Always-On Connectivity
                                                                                    1. Routing Configuration
                                                                                    2. Remote Access VPN
                                                                                      1. Client Software Installation
                                                                                        1. User Authentication
                                                                                          1. Policy Enforcement
                                                                                        2. VPN Security Considerations
                                                                                          1. Split Tunneling Risks
                                                                                            1. VPN Client Security
                                                                                              1. Key Management
                                                                                                1. Performance Optimization
                                                                                              2. Secure Communication Protocols
                                                                                                1. HTTPS Implementation
                                                                                                  1. TLS Handshake Process
                                                                                                    1. Certificate Validation
                                                                                                      1. Cipher Suite Selection
                                                                                                        1. Perfect Forward Secrecy
                                                                                                        2. Secure Shell Protocol
                                                                                                          1. SSH Authentication Methods
                                                                                                            1. Key Exchange Algorithms
                                                                                                              1. Channel Security
                                                                                                                1. Port Forwarding
                                                                                                                2. Secure File Transfer
                                                                                                                  1. SFTP Implementation
                                                                                                                    1. SCP Protocol
                                                                                                                      1. FTPS Configuration
                                                                                                                        1. File Integrity Verification
                                                                                                                        2. DNS Security Extensions
                                                                                                                          1. DNSSEC Record Types
                                                                                                                            1. Chain of Trust
                                                                                                                              1. Key Signing Keys
                                                                                                                                1. Zone Signing Keys