Cook County Health data breach potentially exposed information of 1.2 million patients

Patient information possibly leaked to hackers includes names, dates of birth, Social Security numbers, insurance information, test results, medications and health care providers. (Business Wire)

Up to 1.2 million Cook County Health patients could have had personal information leaked to hackers this year.

Perry Johnson & Associates, a company contracted to provide medical transcription services to the county, said an “unauthorized party” gained access to its network between March 27 and May 2, and obtained files containing personal health information.