Mount Locker Ransomware Actors Claim Sonoma Valley Hospital Attack

Health IT Security

Jessica Davis

Mount Locker ransomware threat actors claim to be behind the cyberattack on Sonoma Valley Hospital, leaking data they allegedly stole from the California provider prior to deploying the malware payload more than three weeks ago on October 11.

Initially, the attack was reported as a significant downtime event that impacted all of the hospital’s computer systems. The latest update provided by Sonoma Valley on October 30 confirmed it was a ransomware attack.

The IT team has partnered with outside experts and law enforcement on its investigation and recovery efforts.

Operations and patient care have been...

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