Steganography
// 6 published technical guides
Steganography hides data in plain sight — inside the pixels of an image or the samples of an audio file. The challenge is knowing where to look.
› reference guides
- 01beginner
Image Steganography
Find data hidden in PNG and JPEG files using LSB analysis, metadata inspection, and specialist stego tools.
- 02beginner
Audio Steganography
Find hidden messages in WAV and MP3 files using spectrograms, LSB tools, and DTMF decoding.
- 03intermediate
Deep LSB Steganography & Bitplane Extraction
Extract hidden messages and binary payloads from image color channels using custom Python PIL/OpenCV bit-shifting scripts.
- 04intermediate
Video & PDF Document Steganography
Extract hidden streams, concealed PDF objects, MS Office macros, and video frame-by-frame steganography payloads.
- 05advanced
Polyglot Files & Zip Appending
Craft and dissect polyglot files that are simultaneously valid across multiple formats (GIF-ZIP, PNG-HTML, PDF-ZIP).
- 06advanced
DCT & Frequency Domain Steganography
Detect and extract hidden payloads from JPEG Discrete Cosine Transform (DCT) coefficients and audio Fourier transforms using Jsteg and OutGuess.