Network Security and Defense

  1. Network Monitoring and Incident Response
    1. Network Traffic Analysis
      1. Packet Capture Techniques
        1. Full Packet Capture
          1. Selective Packet Capture
            1. Packet Storage Management
              1. Capture Performance Optimization
              2. Protocol Analysis
                1. Layer-by-Layer Analysis
                  1. Protocol Anomaly Detection
                    1. Communication Pattern Analysis
                      1. Performance Metrics
                      2. Flow-Based Analysis
                        1. NetFlow Implementation
                          1. sFlow Technology
                            1. IPFIX Standards
                              1. Flow Data Correlation
                            2. Log Management Systems
                              1. Log Collection Strategies
                                1. Centralized Log Collection
                                  1. Distributed Logging
                                    1. Real-Time Log Streaming
                                      1. Log Retention Policies
                                      2. Log Correlation Techniques
                                        1. Event Correlation Rules
                                          1. Pattern Recognition
                                            1. Anomaly Detection
                                              1. Timeline Analysis
                                              2. Syslog Implementation
                                                1. Syslog Message Format
                                                  1. Facility and Severity Levels
                                                    1. Secure Syslog Transport
                                                      1. Log Parsing and Analysis
                                                    2. Security Information and Event Management
                                                      1. SIEM Core Functions
                                                        1. Data Aggregation
                                                          1. Event Normalization
                                                            1. Correlation Engine
                                                              1. Dashboard and Reporting
                                                              2. Alert Management
                                                                1. Alert Prioritization
                                                                  1. False Positive Reduction
                                                                    1. Escalation Procedures
                                                                      1. Response Automation
                                                                      2. Compliance Reporting
                                                                        1. Regulatory Requirements
                                                                          1. Audit Trail Generation
                                                                            1. Report Customization
                                                                              1. Evidence Collection
                                                                            2. Incident Response Process
                                                                              1. Preparation Phase
                                                                                1. Incident Response Plan Development
                                                                                  1. Team Formation and Training
                                                                                    1. Tool and Resource Preparation
                                                                                      1. Communication Procedures
                                                                                      2. Identification Phase
                                                                                        1. Incident Detection Methods
                                                                                          1. Initial Assessment
                                                                                            1. Incident Classification
                                                                                              1. Stakeholder Notification
                                                                                              2. Containment Phase
                                                                                                1. Short-Term Containment
                                                                                                  1. System Isolation
                                                                                                    1. Evidence Preservation
                                                                                                      1. Long-Term Containment
                                                                                                      2. Eradication Phase
                                                                                                        1. Root Cause Analysis
                                                                                                          1. Threat Removal
                                                                                                            1. Vulnerability Remediation
                                                                                                              1. System Hardening
                                                                                                              2. Recovery Phase
                                                                                                                1. System Restoration
                                                                                                                  1. Monitoring and Validation
                                                                                                                    1. Return to Normal Operations
                                                                                                                      1. Documentation Updates
                                                                                                                      2. Lessons Learned Phase
                                                                                                                        1. Post-Incident Review
                                                                                                                          1. Process Improvement
                                                                                                                            1. Training Updates
                                                                                                                              1. Plan Revision
                                                                                                                            2. Network Forensics
                                                                                                                              1. Evidence Collection Procedures
                                                                                                                                1. Live System Analysis
                                                                                                                                  1. Network Traffic Capture
                                                                                                                                    1. Log File Preservation
                                                                                                                                      1. Memory Acquisition
                                                                                                                                      2. Chain of Custody
                                                                                                                                        1. Evidence Documentation
                                                                                                                                          1. Handling Procedures
                                                                                                                                            1. Storage Requirements
                                                                                                                                            2. Forensic Analysis Tools
                                                                                                                                              1. Network Analysis Software
                                                                                                                                                1. Timeline Analysis Tools
                                                                                                                                                  1. Data Recovery Utilities
                                                                                                                                                    1. Reporting Frameworks

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                                                                                                                                                8. Access Control and Authentication

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                                                                                                                                                10. Security Policies and Compliance