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Ransomware gang claims responsibility for Kettering Health hack | TechCrunch

Jun 04, 2025 - techcrunch.com
A ransomware group named Interlock has claimed responsibility for a cyberattack on Kettering Health, a network of healthcare facilities in Ohio. The attack, which occurred two weeks ago, forced the shutdown of all computer systems, and the healthcare system is still in recovery. Interlock, which has been targeting U.S. healthcare organizations since September 2024, claims to have stolen over 940 gigabytes of data, including sensitive patient and employee information. Despite the breach, Kettering Health has not paid a ransom, and negotiations with the hackers appear to have stalled.

Kettering Health has made progress in restoring its systems, announcing the recovery of core components of its electronic health record system provided by Epic. This restoration marks a significant step towards normal operations, enabling better communication and coordination of patient care. Meanwhile, Interlock has published some of the stolen data on its dark web site, which includes private health information and documents related to the Kettering Health Police Department. TechCrunch's Senior Writer Lorenzo Franceschi-Bicchierai, who covers cybersecurity, can be contacted securely for more information on this incident.

Key takeaways:

  • A ransomware gang named Interlock claimed responsibility for hacking Kettering Health, stealing over 940 gigabytes of data.
  • The attack forced Kettering Health to shut down its computer systems, and the healthcare system is still recovering two weeks later.
  • Interlock published stolen data on its dark web site, including private health information and employee data.
  • Kettering Health has restored core components of its electronic health record system, marking a major milestone in its recovery efforts.
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