Tennessee-based Community Health Systems (CHS) says that intruders accessed its system over a three-month period earlier this year, compromising patient names, addresses, and Social Security numbers (SSNs) of 4.5 million people. The company maintains that medical and financial information was not affected. CHS operates more than 200 hospitals in 29 US states. The company claims that the attacks emanated from China. Information in CHS’s Securities and Exchange Commission (SEC) Form 8-K filing says that the intruders were attempting to obtain medical equipment device development information, but were thwarted in their efforts.
CHS manages 3 hospitals in the Chicago Area:
MetroSouth Medical Center, Blue Island, Illinois
Vista Medical Center, Waukegan, Illinois
Vista Medical Center West, Waukegan, Illinois
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