There is no absolutely reliable way to cipher the information. The best way of protection is to hide the fact of its existence! ImageStego is the stego program intended for protection of the information by concealment of data inside of raster images. Such image containing inside latent data refers to as a stegofile. Features: unique feature of the program is ability to keep constant the major areas of all sites of continuous color, built in compressor provides packing data before their record in the image, intellectual algorithm of distribution of data (color noise) on the basis of features of human perception, protection of a sregofile by the user password, ImageStego creates absolutely standard graphic files, changing only color values of pixels.