America’s worst nightmare has come true: a “cyber–Pearl Harbor” attack by unknown terrorists has crippled the nation’s power grid—and brought the land of the free to its knees. As widespread panic and violence ravage the country, its ruthless captors issue their ultimatums…and vow an apocalyptic reckoning.A defenseless nation scrambles to fight an invisible invasion. Chief among America’s last line of defense is Lana Elkins, head of a major cyber-security company—and former top NSA...

Ruthless cyberhackers seize a US nuclear submarine, training its most powerful weapon on a target so unusual, yet so vulnerable, that a successful strike could change the face of the earth for millions of years. With the world held hostage, former NSA operative Lana Elkins must join forces with a mysterious computer mastermind—who might be working with the enemy—to avert this unprecedented Armageddon. Intrigue, power, and blackmail force Lana to fight on all fronts—land, sea, air, and in c...