Steganography

  1. Steganalysis: The Art of Detection
    1. Goals of Steganalysis
      1. Detection of Hidden Data
        1. Binary Classification
          1. Confidence Scoring
            1. False Positive Minimization
            2. Extraction of Hidden Data
              1. Key Recovery
                1. Message Reconstruction
                  1. Partial Extraction
                  2. Disabling or Destroying Hidden Data
                    1. Active Attacks
                      1. Passive Neutralization
                        1. Format Conversion
                      2. Methods of Detection
                        1. Visual Detection
                          1. Manual Inspection
                            1. Anomaly Identification
                              1. Pattern Recognition
                                1. Comparative Analysis
                                2. Image Enhancement Techniques
                                  1. Contrast Adjustment
                                    1. Histogram Equalization
                                      1. Edge Detection
                                        1. Noise Analysis
                                      2. Statistical Analysis
                                        1. First-Order Statistics
                                          1. Histogram Analysis
                                            1. Mean and Variance Tests
                                              1. Distribution Fitting
                                              2. Higher-Order Statistics
                                                1. Chi-Square Analysis
                                                  1. Regular Singular (RS) Analysis
                                                    1. Sample Pair Analysis (SPA)
                                                      1. Weighted Stego Analysis
                                                      2. Structural Analysis
                                                        1. Blockiness Detection
                                                          1. Calibration Methods
                                                            1. Adjacency Matrix Analysis
                                                          2. Signature-Based Detection
                                                            1. Known Patterns and Artifacts
                                                              1. Tool-Specific Signatures
                                                                1. Algorithm Fingerprints
                                                                  1. Format Anomalies
                                                                  2. Header Analysis
                                                                    1. Metadata Examination
                                                                      1. File Structure Validation
                                                                    2. Machine Learning Approaches
                                                                      1. Feature Extraction
                                                                        1. Statistical Features
                                                                          1. Structural Features
                                                                            1. Perceptual Features
                                                                              1. Transform Domain Features
                                                                              2. Classifier Training
                                                                                1. Support Vector Machines
                                                                                  1. Neural Networks
                                                                                    1. Ensemble Methods
                                                                                      1. Cross-Validation
                                                                                      2. Deep Learning Methods
                                                                                        1. Convolutional Neural Networks
                                                                                          1. Recurrent Neural Networks
                                                                                            1. Generative Adversarial Networks
                                                                                              1. Transfer Learning
                                                                                            2. Frequency Domain Analysis
                                                                                              1. Fourier Transform Analysis
                                                                                                1. Wavelet Analysis
                                                                                                  1. DCT Coefficient Examination
                                                                                                2. Types of Steganalytic Attacks
                                                                                                  1. Stego-Only Attack
                                                                                                    1. Limited Information Scenario
                                                                                                      1. Blind Detection Methods
                                                                                                        1. Statistical Anomaly Detection
                                                                                                        2. Known-Cover Attack
                                                                                                          1. Cover-Stego Comparison
                                                                                                            1. Difference Analysis
                                                                                                              1. Optimal Detection
                                                                                                              2. Known-Message Attack
                                                                                                                1. Message Pattern Analysis
                                                                                                                  1. Embedding Location Prediction
                                                                                                                    1. Algorithm Reverse Engineering
                                                                                                                    2. Chosen-Stego Attack
                                                                                                                      1. Controlled Stego Generation
                                                                                                                        1. Algorithm Parameter Estimation
                                                                                                                          1. Weakness Exploitation
                                                                                                                          2. Chosen-Message Attack
                                                                                                                            1. Strategic Message Selection
                                                                                                                              1. Embedding Behavior Analysis
                                                                                                                                1. Key Recovery Attempts
                                                                                                                                2. Known-Stego Attack
                                                                                                                                  1. Multiple Stego Sample Analysis
                                                                                                                                    1. Pattern Correlation
                                                                                                                                      1. Statistical Model Building
                                                                                                                                    2. Countermeasures and Limitations
                                                                                                                                      1. Anti-Forensic Techniques
                                                                                                                                        1. Counter-Steganalysis Methods
                                                                                                                                          1. Detection Evasion
                                                                                                                                            1. False Positive Generation
                                                                                                                                            2. Limitations of Detection Methods
                                                                                                                                              1. Computational Complexity
                                                                                                                                                1. False Positive Rates
                                                                                                                                                  1. Adaptive Steganography Resistance
                                                                                                                                                    1. Format-Specific Constraints

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                                                                                                                                                3. Steganographic Techniques by Carrier Medium

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                                                                                                                                                5. Evaluating Steganographic Systems