Network Security and Intrusion Detection

  1. Alert Management and Incident Response
    1. Alert Lifecycle Management
      1. Alert Generation
        1. Alert Classification
          1. Alert Prioritization
            1. Alert Investigation
              1. Alert Resolution
                1. Alert Documentation
                2. Alert Triage and Prioritization
                  1. Triage Process
                    1. Initial Assessment
                      1. Severity Classification
                        1. Impact Analysis
                          1. Urgency Determination
                          2. Prioritization Frameworks
                            1. Risk-based Prioritization
                              1. Asset-based Prioritization
                                1. Threat-based Prioritization
                                2. Severity Assessment
                                  1. Severity Levels
                                    1. Severity Criteria
                                      1. Dynamic Severity Adjustment
                                      2. Escalation Procedures
                                        1. Escalation Triggers
                                          1. Escalation Paths
                                            1. Notification Procedures
                                              1. Management Reporting
                                            2. Log Management
                                              1. Centralized Logging
                                                1. Log Aggregation
                                                  1. Log Collection Methods
                                                    1. Log Transport Protocols
                                                      1. Log Forwarding
                                                      2. Log Storage
                                                        1. Storage Architecture
                                                          1. Retention Policies
                                                            1. Archival Strategies
                                                            2. Secure Log Storage
                                                              1. Log Integrity Protection
                                                                1. Access Controls
                                                                  1. Encryption at Rest
                                                                2. Log Processing
                                                                  1. Log Parsing
                                                                    1. Parser Development
                                                                      1. Field Extraction
                                                                        1. Data Type Conversion
                                                                        2. Log Normalization
                                                                          1. Format Standardization
                                                                            1. Field Mapping
                                                                              1. Taxonomy Alignment
                                                                              2. Time Synchronization
                                                                                1. NTP Implementation
                                                                                  1. Timestamp Normalization
                                                                                    1. Time Zone Handling
                                                                                  2. Log Analysis
                                                                                    1. Pattern Recognition
                                                                                      1. Anomaly Detection
                                                                                        1. Correlation Analysis
                                                                                          1. Trend Analysis
                                                                                        2. Security Information and Event Management
                                                                                          1. SIEM Architecture
                                                                                            1. Data Collection Layer
                                                                                              1. Log Sources
                                                                                                1. Data Connectors
                                                                                                  1. Real-time Streaming
                                                                                                  2. Data Processing Layer
                                                                                                    1. Parsing Engines
                                                                                                      1. Normalization Engines
                                                                                                        1. Enrichment Engines
                                                                                                        2. Storage Layer
                                                                                                          1. Time-series Databases
                                                                                                            1. Data Warehousing
                                                                                                              1. Indexing Strategies
                                                                                                              2. Analysis Layer
                                                                                                                1. Correlation Engines
                                                                                                                  1. Analytics Engines
                                                                                                                    1. Machine Learning Engines
                                                                                                                    2. Presentation Layer
                                                                                                                      1. Dashboards
                                                                                                                        1. Reporting Tools
                                                                                                                          1. Alert Interfaces
                                                                                                                        2. Event Correlation
                                                                                                                          1. Correlation Rules
                                                                                                                            1. Rule Types
                                                                                                                              1. Rule Logic
                                                                                                                                1. Rule Performance
                                                                                                                                2. Correlation Techniques
                                                                                                                                  1. Time-based Correlation
                                                                                                                                    1. Pattern-based Correlation
                                                                                                                                      1. Statistical Correlation
                                                                                                                                      2. Use Case Development
                                                                                                                                        1. Use Case Design
                                                                                                                                          1. Use Case Testing
                                                                                                                                            1. Use Case Maintenance
                                                                                                                                          2. SIEM Integration
                                                                                                                                            1. IDS/IPS Integration
                                                                                                                                              1. Alert Ingestion
                                                                                                                                                1. Event Enrichment
                                                                                                                                                  1. Response Automation
                                                                                                                                                  2. Threat Intelligence Integration
                                                                                                                                                    1. IOC Matching
                                                                                                                                                      1. Reputation Scoring
                                                                                                                                                        1. Context Enhancement
                                                                                                                                                        2. Orchestration Integration
                                                                                                                                                          1. Workflow Automation
                                                                                                                                                            1. Response Playbooks
                                                                                                                                                              1. Case Management
                                                                                                                                                          2. Incident Response Process
                                                                                                                                                            1. Incident Response Lifecycle
                                                                                                                                                              1. Preparation
                                                                                                                                                                1. Identification
                                                                                                                                                                  1. Containment
                                                                                                                                                                    1. Eradication
                                                                                                                                                                      1. Recovery
                                                                                                                                                                        1. Lessons Learned
                                                                                                                                                                        2. Incident Classification
                                                                                                                                                                          1. Incident Types
                                                                                                                                                                            1. Severity Levels
                                                                                                                                                                              1. Impact Assessment
                                                                                                                                                                              2. Response Team Structure
                                                                                                                                                                                1. Incident Response Team Roles
                                                                                                                                                                                  1. Communication Procedures
                                                                                                                                                                                    1. Decision-making Authority
                                                                                                                                                                                    2. Documentation and Reporting
                                                                                                                                                                                      1. Incident Documentation
                                                                                                                                                                                        1. Timeline Creation
                                                                                                                                                                                          1. Evidence Handling
                                                                                                                                                                                            1. Post-incident Reports
                                                                                                                                                                                          2. Network Forensics
                                                                                                                                                                                            1. Digital Evidence Principles
                                                                                                                                                                                              1. Evidence Types
                                                                                                                                                                                                1. Evidence Handling
                                                                                                                                                                                                  1. Chain of Custody
                                                                                                                                                                                                  2. Packet Capture and Analysis
                                                                                                                                                                                                    1. Full Packet Capture
                                                                                                                                                                                                      1. Capture Tools
                                                                                                                                                                                                        1. Storage Requirements
                                                                                                                                                                                                          1. Retention Policies
                                                                                                                                                                                                          2. Packet Analysis Tools
                                                                                                                                                                                                            1. Wireshark
                                                                                                                                                                                                              1. tcpdump
                                                                                                                                                                                                                1. NetworkMiner
                                                                                                                                                                                                                2. Deep Packet Analysis
                                                                                                                                                                                                                  1. Protocol Analysis
                                                                                                                                                                                                                    1. Content Extraction
                                                                                                                                                                                                                      1. Malware Analysis
                                                                                                                                                                                                                    2. Flow Data Analysis
                                                                                                                                                                                                                      1. Flow Record Collection
                                                                                                                                                                                                                        1. NetFlow
                                                                                                                                                                                                                          1. sFlow
                                                                                                                                                                                                                            1. IPFIX
                                                                                                                                                                                                                            2. Flow Analysis Tools
                                                                                                                                                                                                                              1. SiLK
                                                                                                                                                                                                                                1. nfcapd
                                                                                                                                                                                                                                  1. Plixer Scrutinizer
                                                                                                                                                                                                                                  2. Traffic Pattern Analysis
                                                                                                                                                                                                                                    1. Baseline Comparison
                                                                                                                                                                                                                                      1. Anomaly Identification
                                                                                                                                                                                                                                        1. Attack Reconstruction
                                                                                                                                                                                                                                      2. Memory Forensics
                                                                                                                                                                                                                                        1. Memory Acquisition
                                                                                                                                                                                                                                          1. Memory Analysis Tools
                                                                                                                                                                                                                                            1. Volatile Data Recovery
                                                                                                                                                                                                                                              1. Malware Detection
                                                                                                                                                                                                                                              2. Timeline Analysis
                                                                                                                                                                                                                                                1. Event Timeline Creation
                                                                                                                                                                                                                                                  1. Correlation Analysis
                                                                                                                                                                                                                                                    1. Attack Sequence Reconstruction

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                                                                                                                                                                                                                                                8. Evasion Techniques and Countermeasures

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                                                                                                                                                                                                                                                10. Advanced Topics and Future Trends