Rhysida Ransomware Gang Claims Attack on Cleveland County Sheriff’s Office

The ransomware gang Rhysida has claimed responsibility for a cyberattack targeting the Cleveland County Sheriff’s Office in Oklahoma. The sheriff’s office publicly confirmed the incident on November 20, stating that parts of its internal systems were affected. However, key details of the breach remain limited as the investigation continues. 

Rhysida claims that sensitive information was extracted during the intrusion and that a ransom of nine bitcoin—about $787,000 at the time of the claim—has been demanded. To support its claim, the group released what it described as sample records taken from the sheriff’s office. The leaked material reportedly includes Social Security cards, criminal background checks, booking documents, court filings, mugshots, and medical information. 

Authorities have not yet confirmed whether the stolen data is authentic or how many individuals may be affected. It also remains unclear how the attackers gained access, whether systems remain compromised, or if the sheriff’s office intends to negotiate with the group. 

In a brief public statement, the agency reported that a “cybersecurity incident” had disrupted its network and that a full investigation was underway. The sheriff’s office emphasized that emergency response and daily law enforcement functions were continuing without interruption. A Facebook post associated with the announcement—later removed—reiterated that 911 services, patrol respo

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