"The story of a band of volunteer cybersecurity experts who use their computer skills to crack ransomware and help victims of cybercrime"-- Provided by publisher Scattered across the world, an elite team of code crackers is working tirelessly to thwart the defining cyber scourge of our time. You've probably never heard of them. But if you work for a school, a business, a hospital, or a municipal government, or simply cherish your digital data, you...