Hacking a Terror Network: The Silent Threat of Covert Channels

It was already dark outside when he shut the apartment door behind him and locked it again. He had spent more time at school today than intended, but he reminded himself that some things were necessary. Aside from his normal homework, Salah had been doing some research trying to design a better method for covert communication with his team over the Internet.
But patience will win the war, he remembered his father telling him as a child. We have all the time in the world to accomplish our mission. That s really what it had all come down to for the team. In order to get all the team members into the right place and with the correct level of responsibility and privilege, it would take time. It had already been six months since Salah had officially initiated his plans. It seemed like only yesterday that he had sent out the first null cipher to the team to unravel. Their minds were sharp, and they picked up on the cipher quickly. Now they were all employed in strategic locations around North America, allowing him to manipulate events in the future; events that would shake the nation.
And over these same six months, Salah had worked diligently to improve his plans and make each one of them foolproof. No detail was overlooked. Salah knew that the devil was in the details and the slightest mistake or miscalculation could cost him the project and his life. Each person on the...