Tom Clancy Support and Defend (A Campus Novel) by Mark Greaney

Dominic Caruso. Nephew of President Jack Ryan.  FBI agent and operator for The Campus, a top secret intelligence agency that works off the books for the U.S. government.  Already scarred by the death of his brother, Caruso is devastated when he can’t save a friend and his family from a terrorist attack
 Ethan Ross was a mid-level staffer for the National Security Council. Now he’s a wanted fugitive on the run with a microdrive that contains enough information to wreck American intelligence efforts around the world.  The CIA is desperate to get the drive back, but so are the Russians and various terrorist groups all of whom are closer to catching the fugitive. Only Caruso stands in their way, but can he succeed without the aid of his Campus colleagues?