A ransomware group called Sinobi reported a data breach involving Celeris Networks, an IT support provider based in Knoxville, Tennessee, on May 5, 2026. This report has not been confirmed by Celeris Networks or any regulatory bodies. The types of data compromised, the number of individuals affected, and the exact nature of the incident remain unclear.
At present, there is no official breach notification, Attorney General filing, or company disclosure to corroborate the ransomware group's claim. Details such as specific data types exposed, affected states, or whether financial, medical, or Social Security number data was involved have not been publicly confirmed.
Data breaches can have evolving details, and notices may be delayed.