Intrusion Detection Systems

  1. IDS Architecture and System Components
    1. Data Collection Layer
      1. Network Sensors
        1. Sensor Placement Strategies
          1. Traffic Mirroring
            1. Packet Capture Mechanisms
              1. Flow Data Collection
              2. Host-Based Agents
                1. Agent Architecture
                  1. Data Collection Scope
                    1. Communication Protocols
                      1. Resource Management
                      2. Log Collection Systems
                        1. Centralized Logging
                          1. Log Forwarding Protocols
                            1. Log Parsing and Normalization
                              1. Real-Time vs. Batch Processing
                            2. Analysis Engine
                              1. Core Processing Components
                                1. Rule Processing Engine
                                  1. Pattern Matching Engine
                                    1. Statistical Analysis Module
                                      1. Correlation Engine
                                      2. Detection Algorithms
                                        1. Signature Matching
                                          1. Anomaly Detection
                                            1. Heuristic Analysis
                                              1. Behavioral Analysis
                                              2. Performance Optimization
                                                1. Parallel Processing
                                                  1. Load Balancing
                                                    1. Caching Mechanisms
                                                      1. Resource Allocation
                                                    2. Knowledge Base and Storage
                                                      1. Signature Databases
                                                        1. Configuration Data
                                                          1. Baseline Information
                                                            1. Historical Event Data
                                                              1. Forensic Evidence Storage
                                                              2. Management and User Interface
                                                                1. Administrative Console
                                                                  1. Alert Management Interface
                                                                    1. Configuration Management
                                                                      1. Reporting and Visualization
                                                                        1. User Access Control

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                                                                      4. IDS Classification by Detection Methodology

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                                                                      6. IDS Operational Workflow and Processes