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Ransomware group claims it stole more than 730K files from Kettering Health

By Dayton Daily News  
   June 06, 2025

A ransomware group called Interlock is claiming it stole 941 gigabytes of data, which includes more than 730,000 files, from Kettering Health after recently taking credit for the May 20 cyberattack against the hospital organization, according to cybersecurity experts. The May 20 cyberattack caused a systemwide technology outage at Kettering Health, from which the hospital system is still recovering.

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