It's two years after the Zero Day attacks, and cyber-security analyst Jeff Aiken is reaping the rewards for crippling Al-Qaida's assault on the computer infrastructure of the Western world. His company is flourishing, and his relationship with former government agent Daryl Haugen has intensified since she became a part of his team. But the West is under its greatest threat yet. A revolutionary, invisible trojan that alters data without leaving a trace---more...