Data breaches at health care systems are on the rise, experts say, and these will become more common in the coming years as more patient data goes digital. Community Health Systems, a large health care group that has 206 hospitals in 29 states, said Monday that a cyberattack originating in China resulted in the theft of Social Security numbers and other personal data belonging to 4.5 million patients

Chinese Hackers Pull Largest Cyberattack