District officials said an outside actor accessed some systems, prompting a shutdown that canceled classes, child care and after-school programs Monday.
City officials said a March 14 attack hit a water treatment plant server, but the water supply stayed safe while staff ran manual procedures for about 16 hours.
Bellflower Unified said phone and network disruptions began in early August, followed by a months-long forensic review and a later, unconfirmed Rhysida claim.
The attack knocked out the office’s network, moved dispatch work to Seymour police and left officers filing reports in Word documents, according to Lt. Adam Nicholson.
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.
A South Florida report said some locations could not process cards for days as a Qilin extortion claim surfaced, but Duffy’s had not publicly confirmed ransomware by Tuesday.
Cities report outages in registrations, rentals and some payments after the company said attackers encrypted parts of its infrastructure; investigation continues
