Bellflower Unified said phone and network disruptions began in early August, followed by a months-long forensic review and a later, unconfirmed Rhysida claim.
Officials say a hacked town email prompted the state to cut some system connections, interrupting clerk, dispatch, DMV and records-related access while a forensic review continued.
An SEC filing says an unauthorized third party disrupted access for about eight hours, and the company is still assessing whether patient information was accessed or exfiltrated.
The nonprofit said stores remain open, but point-of-sale disruptions have forced cash-only purchases as an Interlock post appeared to identify the West Michigan affiliate.
The behavioral health provider said connectivity and some business operations were disrupted as investigators reviewed the scope of the incident and a Qilin leak-site claim.
