Boy: Year of the Rat Book 1

In a near-future New York City Boy Eastman, cyberspace hacker, is coaxed out of retirement by his old friend Kreskin the Fixer to do one more job against Madoka - his former employer. Soon he will find that he's not only Madoka's latest target, but Kreskin's, and he'll need his smarts and his girlfriend Kitty's fighting skills to set things right.