Welcome! My name is Daniel Lerch, and this site is dedicated to steganography and steganalysis—the study of hiding information and detecting its presence.

Image A: peppers Cover image
Image B: peppers containing hidden data Stego image

The images above look identical, but one contains hidden information. This illustrates the central problem behind image steganography and steganalysis: how to conceal information without revealing its presence, and how to detect the traces it may leave behind.

Explore

StegoLab

Research implementations of steganography, steganalysis and watermarking methods.

Explore StegoLab