Michigan-based McLaren Health Care has confirmed that the sensitive personal and health information of 2.2 million patients was compromised during a cyberattack earlier this year.
In a new data breach notice filed with Maine's attorney general, McLaren said hackers were in its systems for three weeks during July 28 through August 23 before the healthcare company noticed a week later on August 31.
TechCrunch has seen several screenshots posted by the ransomware gang on its dark web leak site showing access to the company's password manager, internal financial statements, some employee information, and spreadsheets of patient-related personal and health information, including names, addresses, phone numbers, Social Security numbers, and diagnostic information.
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