Ransomware Attack Disrupts DeKalb County Sheriff’s Department and Jail in Tennessee

A ransomware attack targeted the DeKalb County Sheriff’s Department and jail in Smithville, Tennessee, disrupting email systems and inmate-related operations. This incident marks the third reported cyberattack involving a "DeKalb County" in the U.S., following earlier attacks on DeKalb County, Georgia, and DeKalb County, Indiana. The attack occurred in March 2026, as reported by Dysruption Hub, though no specific ransomware strain, threat actor, or ransom demand was disclosed. The primary impact included operational disruptions to law enforcement and correctional facility systems. No additional technical details, such as compromised data types or recovery status, were provided.