The Decrypter and the Mind Hacker (Calla Cress Technothriller Series: Book 2)

ESCAPE. LIES. REVENGE. Calla Cress took down the world's most dangerous man.
She made one mistake. She let him live.
A billionaire behind bars, once the secret service's most brilliant code breaker, is luring the world's smartest minds into his prison cell. They leave in a coma and seconds later a lethal hack snakes through one government system after another. Meanwhile, Calla Cress, museum curator turned undercover cyber-security agent, faces the biggest dilemma of her life.

She's harboring a dangerous secret buried in the deepest vaults of technology history. In a few hours, she'll have to make a decision that will change her life forever. After an explosion rocks her hideout in Colorado, Calla wakes up halfway across the world at the whim of a powerful, unidentified organization demanding she produce the whereabouts of a missing MI6 agent who can disarm the billionaire's hacks.
Powerful people are prepared to kill to obtain the cryptic secret the agent kept.There're a few obstacles: Calla has never met the agent who has been missing for 30 years. Can Calla find the only person who ever challenged the enigmatic billionaire?
With only a handful of clues left in a mysterious sixteenth-century anagram encrypted with a sequence of codes, Calla, NSA security advisor, Nash Shields and tech entrepreneur Jack Kleve are thrust in a dangerous race across the globe. With each haunting revelation, they soon realize the key to disarming the hacks comes at an astonishing price.
THE DECRYPTER AND THE MIND HACKER is a fast-paced, suspense thriller, charging through government secrets, world history and cyber espionage that will have you wondering whether technology has progressed beyond human intelligence, changing civilization, and perhaps human nature.
The bestselling CALLA CRESS TECHNO THRILLER series of books in order:
BOOK 1 - THE DECRYPTER: SECRET OF THE LOST MANUSCRIPT
BOOK 2 - THE DECRYPTER AND THE MIND HACKER
BOOK 3 - COMING SPRING 2017