New posts in Steganography

How to add an invisible watermark to PDF documents?

Why is this 435 × 652 pixel JPEG over 6 MB?

How can I recover steganographically hidden data from a photographic copy of the image?

How to implement reset password for a password manager

Is there an encryption algorithm that allows for a single payload to have two different outputs based on the password?

Setup a private VPN for family in China?

Is there such a thing as public key steganography

How is it possible to embed executable code in an image

Would 'spam' mail really avoid eavesdropping?

Steganography to hide text within text