Twenty-something Judy Carmody is a total hacker, the best in the Internet security business. But even Judy has never seen anything like this—a cyber-heist that instantly vaporizes the assets of a major bank. Penetrating all state-of-the-art defenses in the dead of night, someone is using a mysterious new code to empty accounts, leaving no trail. The masterminds have thought of everything—including the elimination of every hacker who might be able to stop them. As Judy desperately hurries to crack the deadly code, she uncovers secrets that reach the highest levels of power—secrets that jeopardize the security and privacy of every citizen . . .