Dead Again

"Simon Lassiter is a notorious cyber terrorist who has been wreaking havoc on governments and corporations alike.
Simon Lassiter is supposed to be dead.
Somehow, he survived an assassination attempt carried out by CIA officer Sam Raven, when Raven was a fresh recruit. Now, Raven is no longer official. He's on his own and fights the battles he chooses. When Lassiter returns with plans to sabotage the global financial system, Raven springs into action. This time, he's going to make sure Simon Lassiter is dead forever."