The Ruthless Group Behind Ransomware Attacks on Hospitals

A Wall Street Journal investigation has found that one hacking group - called Ryuk - is behind hundreds of attacks on U.S. health care facilities. WSJ's Kevin Poulsen details the rise of Ryuk, and one hospital administrator shares what it's like to be a victim of one of their attacks. Learn more about your ad choices. Visit megaphone.fm/adchoices