The Interlock ransomware gang has claimed a latest cyberattack on the Kettering Well being healthcare community and leaked information allegedly stolen from breached methods.
Kettering Well being employs over 15,000 folks, together with greater than 1,800 physicians, and it manages 14 medical facilities and over 120 outpatient amenities in western Ohio.
The nonprofit group disclosed a cyberattack on Could 20 that triggered an outage affecting its name middle and a few affected person care methods, leaving employees with out entry to computerized charting methods and forcing care groups again to pen and paper. The incident additionally led to canceled elective inpatient and outpatient procedures, whereas emergency rooms and clinics remained open and continued seeing sufferers.
On Monday, Kettering Well being issued an replace saying it restored entry to its digital well being document (EHR) system, with extra work being wanted to carry again on-line the MyChart medical document utility system for sufferers and name facilities at affected amenities and practices.
Till telephone methods are restored, Kettering Well being supplies a brief telephone line staffed by registered nurses for sufferers with pressing medical questions.
Whereas the healthcare community has but to attribute the breach to a particular menace group, the Interlock ransomware operation claimed accountability for the assault this week and revealed samples of allegedly stolen information, confirming earlier reporting that Interlock was possible behind the assault.
The ransomware group claims they stole 941 GB of knowledge, together with over 20,000 folders containing 732,489 paperwork with delicate info.
This information allegedly contains financial institution reviews, payroll info, sufferers’ information, pharmacy and blood financial institution paperwork, Kettering Well being police personnel recordsdata, and scans of identification paperwork, together with passports.
Interlock is a more moderen ransomware operation that surfaced in September 2024 and has claimed accountability for dozens of victims worldwide, lots of them from healthcare organizations.
This cybercrime gang has additionally been linked to ClickFix assaults, impersonating IT instruments to achieve preliminary entry to the targets’ networks, and a beforehand unknown distant entry trojan (RAT) named NodeSnake deployed in assaults in opposition to U.Ok. universities earlier this yr.
Most not too long ago, Interlock has claimed the breach of DaVita, a Fortune 500 kidney care supplier with over 2,600 U.S. dialysis facilities, and launched 1.5 terabytes of knowledge allegedly stolen from the group’s community.
A Kettering Well being spokesperson did not share extra particulars concerning the incident when contacted by BleepingComputer after the assault.
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