Digital Forensics

  1. Network Forensics
    1. Principles of Network Forensics
      1. Sources of Network Evidence
        1. Network Devices (Routers, Switches)
          1. Configuration Files
            1. Log Files
              1. ARP Tables
                1. Routing Tables
                2. Endpoints
                  1. Network Interface Logs
                    1. Connection Logs
                      1. Application Logs
                      2. Cloud Services
                        1. API Logs
                          1. Access Logs
                            1. Configuration Changes
                          2. Network Security Topologies
                            1. Segmentation and Zones
                              1. Network Boundaries
                                1. Trust Zones
                                  1. Access Controls
                                  2. DMZs and Firewalls
                                    1. Traffic Filtering
                                      1. Rule Analysis
                                        1. Bypass Detection
                                      2. Network Protocols and Standards
                                        1. OSI Model Application
                                          1. TCP/IP Stack Analysis
                                            1. Protocol Behavior
                                          2. Evidence Acquisition in Networks
                                            1. Packet Capture (PCAP)
                                              1. Tools for Packet Capture
                                                1. Wireshark
                                                  1. tcpdump
                                                    1. Network Taps
                                                      1. SPAN Ports
                                                      2. Storage and Management of Captures
                                                        1. File Formats
                                                          1. Compression Techniques
                                                            1. Indexing Methods
                                                          2. Flow Data (NetFlow, IPFIX)
                                                            1. Flow Collection and Analysis
                                                              1. Flow Exporters
                                                                1. Flow Collectors
                                                                  1. Flow Analysis Tools
                                                                  2. Flow Record Components
                                                                    1. Sampling Considerations
                                                                    2. Log Files
                                                                      1. Firewall Logs
                                                                        1. Connection and Block Events
                                                                          1. Rule Matching
                                                                            1. Traffic Statistics
                                                                            2. Intrusion Detection/Prevention System (IDS/IPS) Logs
                                                                              1. Alert Types and Signatures
                                                                                1. False Positive Analysis
                                                                                  1. Attack Pattern Recognition
                                                                                  2. Proxy Server Logs
                                                                                    1. Web Access and Filtering
                                                                                      1. Content Analysis
                                                                                        1. User Activity Tracking
                                                                                        2. DHCP and DNS Logs
                                                                                          1. IP Address Assignments
                                                                                            1. Lease Information
                                                                                              1. Domain Resolution Records
                                                                                                1. Query Analysis
                                                                                                2. Web Server Logs
                                                                                                  1. Email Server Logs
                                                                                                    1. VPN Logs
                                                                                                  2. Network Traffic Analysis
                                                                                                    1. Protocol Analysis (TCP, UDP, ICMP)
                                                                                                      1. Packet Structure and Headers
                                                                                                        1. Session Reconstruction
                                                                                                          1. Protocol Anomaly Detection
                                                                                                            1. Fragmentation Analysis
                                                                                                            2. Application Layer Protocol Analysis (HTTP, FTP, SMTP)
                                                                                                              1. Content Inspection
                                                                                                                1. Data Extraction
                                                                                                                  1. File Recovery
                                                                                                                    1. Communication Analysis
                                                                                                                    2. Credential and Data Leakage Detection
                                                                                                                      1. Password Transmission
                                                                                                                        1. Sensitive Data Identification
                                                                                                                          1. Exfiltration Detection
                                                                                                                        2. Identifying Anomalous Traffic
                                                                                                                          1. Baseline Establishment
                                                                                                                            1. Normal Traffic Patterns
                                                                                                                              1. Statistical Analysis
                                                                                                                                1. Behavioral Modeling
                                                                                                                                2. Detection of Suspicious Patterns
                                                                                                                                  1. Unusual Protocols
                                                                                                                                    1. Abnormal Data Volumes
                                                                                                                                      1. Timing Anomalies
                                                                                                                                    2. Reconstructing Network Events
                                                                                                                                      1. Timeline Creation
                                                                                                                                        1. Event Correlation
                                                                                                                                          1. Chronological Analysis
                                                                                                                                            1. Gap Identification
                                                                                                                                            2. Correlation with Host Events
                                                                                                                                              1. Multi-Source Analysis
                                                                                                                                                1. Event Synchronization
                                                                                                                                                  1. Causal Relationships
                                                                                                                                                2. Advanced Traffic Analysis
                                                                                                                                                  1. Encrypted Traffic Analysis
                                                                                                                                                    1. Covert Channel Detection
                                                                                                                                                      1. Botnet Communication Analysis
                                                                                                                                                        1. APT Traffic Patterns
                                                                                                                                                      2. Wireless Network Forensics
                                                                                                                                                        1. Capturing Wireless Traffic
                                                                                                                                                          1. Tools and Adapters
                                                                                                                                                            1. Monitor Mode Capabilities
                                                                                                                                                              1. Antenna Considerations
                                                                                                                                                                1. Frequency Coverage
                                                                                                                                                                2. Channel Hopping
                                                                                                                                                                  1. Coverage Strategies
                                                                                                                                                                    1. Timing Considerations
                                                                                                                                                                      1. Data Loss Mitigation
                                                                                                                                                                    2. Analyzing Wireless Protocols (802.11)
                                                                                                                                                                      1. Frame Types and Fields
                                                                                                                                                                        1. Management Frames
                                                                                                                                                                          1. Control Frames
                                                                                                                                                                            1. Data Frames
                                                                                                                                                                            2. Encryption and Authentication
                                                                                                                                                                              1. WEP Analysis
                                                                                                                                                                                1. WPA/WPA2 Analysis
                                                                                                                                                                                  1. WPA3 Considerations
                                                                                                                                                                                    1. Enterprise Authentication
                                                                                                                                                                                  2. Identifying Rogue Access Points
                                                                                                                                                                                    1. Detection Techniques
                                                                                                                                                                                      1. Signal Analysis
                                                                                                                                                                                        1. MAC Address Analysis
                                                                                                                                                                                          1. SSID Monitoring
                                                                                                                                                                                          2. Mitigation Strategies
                                                                                                                                                                                            1. Containment Methods
                                                                                                                                                                                          3. Bluetooth Forensics
                                                                                                                                                                                            1. Pairing Analysis
                                                                                                                                                                                              1. File Transfer Investigation
                                                                                                                                                                                                1. Device Identification
                                                                                                                                                                                                2. Cellular Network Forensics
                                                                                                                                                                                                  1. IMSI/IMEI Analysis
                                                                                                                                                                                                    1. Cell Tower Data
                                                                                                                                                                                                      1. Location Tracking

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                                                                                                                                                                                                  5. Mobile Device Forensics