Company produces the Giovanni encryption software which offers still-image and audio-digital watermarking applications. Download a free demo.

Learn how to protect Web-based graphic images using a watermark system. Download a demonstration and learn about prices.

Steganographic encoder and decoder encrypts files and messages into redundant parts of Windows bitmap (BMP) images. Find a free download.

Learn the basics of communicating in a way which hides the existence of the communication. Join a mailing list, or explore software.

Discover the ABCs of the technology of hiding data. Also find info on steganalysis and watermarking.