TABLE OF CONTENTS Salah unlocked the dead bolt and stepped through the doorway into the barren space beyond. The apartment held no real emotional sway over Salah; it was a quaint dwelling, but only temporary. Walking across the stained brown carpet, he stopped at the window near his bed to look out over the city. The university was only a few blocks away, but even for a single person walking, it was sometimes difficult to navigate the traffic below. He watched silently as the cars on the road below battled to dominate the road, relentlessly working to carry their occupants home.
Salah had endured a very long and very detailed networking exam earlier that morning and afterward had gone to the university library to gather more information on steganography, commonly referred to as stego. The very name, steganography, meant covered writing in ancient Greek, and the concepts held great promise for Salah. Through its use, he and his team would be able to communicate in the open without anyone realizing what was there.
The term steganography comes from two Greek root words. The first, steganos, is translated as covered. The second part of the word comes from the Greek work graphie, meaning writing. The two terms together help us describe the idea of hiding information of one type in some medium that normally would be unexpected to the average person. But over time, the term steganography...
