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.
