Steganography, the art of concealing messages within other messages, has been a vital technique for secure communication for centuries. In the digital age, this practice has evolved to include various ...

A clandestine network of Russian spies in the United States used private Wi-Fi networks, flash memory sticks, and text messages concealed in graphical images to exchange information, federal ...

Russian spies allegedly used steganography, open wireless networks and transfer of memory sticks to swap data, but faced problems such as leaving a password lying around on a piece of paper and ...