Security News BlackCat Gang Stole Data of 2.5m Patients of McLaren Health Care Group

vtqhtr413

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Aug 17, 2017
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My health care provider.
McLaren Health Care is a not-for-profit healthcare system based in Michigan, United States. It is one of the largest integrated health systems in the state and serves a significant portion of the population through its network of hospitals, clinics, and healthcare facilities. The ALPHV/BlackCat ransomware gang added McLaren Health Care to the list of victims on its Tor leak site. The ransomware group accused the organization of having attempted to cover up the security breach. The ransomware gang also added that they still have access to the network of the organization.

“It would have been more interesting if a Mclaren representative had talked in an interview about how they asked not to publish the stolen data and skillfully wanted to cover up the fact that their network had been hacked. Mclaren was preparing a way out and ended up devaluing the sensitive data of 2.5 million of their patients. Protecting the privacy and interests of your customers is nothing more than lip service. Mclaren, your security is at an all-time low, and we’ve proven it to you. Our backdoor is still running on your network, you decided to play with us, we have a great sense of humor too, and we know how to have fun.” See you again……..” reads the message published by the ALPHV gang on its leak site.
 

vtqhtr413

Level 26
Thread author
Verified
Top Poster
Well-known
Aug 17, 2017
1,418
McLaren identified a security breach on August 22, 2023. Subsequent investigations, conducted with the assistance of external cybersecurity experts, revealed that the breach had compromised its systems since July 28, 2023. Evidence shows that on August 31 an unauthorized threat actor had accessed data and the following data types were confirmed to have been exposed by October 10:
  • Full name
  • Social Security number (SSN)
  • Health insurance information
  • Date of birth
  • Billing or claims information
  • Diagnosis
  • Physician information
  • Medical record number
  • Medicare/Medicaid information
  • Prescription/medication information
  • Diagnostic results and treatment information
 

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