Building automation giant Johnson Controls hit by ransomware attack

Johnson Controls International has suffered what is described as a massive ransomware attack that encrypted many of the company devices, including VMware ESXi servers, impacting the company’s and its subsidiaries’ operations.

Yesterday, a source told BleepingComputer that Johnson Controls suffered a ransomware attack after initially being breached at its Asia offices.

Customers of York, another Johnson Controls subsidiary, report that they are being told the company’s systems are down, with some stating they were told it was due to a cyberattack.

BleepingComputer has contacted Johnson Controls with questions regarding the attack but has not received a response.

Cybersecurity researcher MalwareHunterTeam tells BleepingComputer that the encryptor used in the Johnson Controls attack is the same as ones used by Ragnar Locker since 2021.

LogicMonitor customers hacked in reported ransomware attacks.

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