Tom Clancy's Net Force: The Archimedes Effect

The tenth novel in the Net Force series, Tom Clancy's #1 New York Times bestselling phenomenon. Bypassing all safeguards, terrorists enter Fort Stephens, the newest high-tech Army base, and detonate a truck full of powerful explosives. Within hours, other bases are hit. Under attack, the Army calls in Net Force to help. Teaming up with Army intelligence and the National Guard, Net Force's own crack troops struggle to track down who is behind the deadly attacks.
But they are countered at every move by a cunning opponent who thinks just like one of their own.