
Hidden in Plain Sight.
Venatus is a multi-level steganography game, currently 20 levels, designed to test your observation and analysis skills. Each level is a puzzle waiting to be solved.
Start the ChallengeOr... Find an Alternate Entry Point
A true analyst leaves no stone unturned.
Sharpen Your Digital Senses
Unlock the secrets hidden within everyday digital files.
Learn Real Techniques
Master methods from simple metadata tricks to complex file manipulation used in the real world.
Sharpen Your Skills
Develop your digital forensics and problem-solving abilities by thinking like an analyst.
Explore the History
Each level includes a Field Manual detailing the history and tools behind the technique.
From the Dossiers
Our latest briefings on the world of hidden data.

Finding Null Ciphers in Git History
A null cipher is a form of encryption where the plaintext is mixed with a large amount of non-cipher material.
Published on August 28, 2025

A Complete Guide to the OneTime Pad and XOR Cryptography
OTP is the Holy Grail of Cryptography
Published on August 28, 2025

A Comprehensive Guide to Audio Echo Steganography
Audio Echo data hiding stands out for its elegance, stealth, and biomimetic approach.
Published on August 27, 2025