Freedom (TM) by Daniel Suarez

In his phenomenal debut, Daemon, Daniel Suarez introduced a terrifying vision of an unstoppable computer program unleashed on our world bu a hi-tech wunderkind. But now, our world is Daemon's world- unless someone stops the program once and for all...

Daemon by Daniel Suarez

When a designer of computer games dies, he leaves behind a program that unravels the Internet's interconnected world. It corrupts, kills, and runs independent of human control. It's up to Detective Peter Sebeck to wrest the world from the malevolent virtual enemy before its ultimate purpose is realized: to dismantle society and bring about a new world order.