Ransomware group N0n hits Arthritis Center of Riverside
Arthritis Center of Riverside — a healthcare target operating in US has been listed by the N0n ransomware group on 2026-10-24. The information below reflects what the threat actor has publicly claimed on their leak site; the details have not been independently verified.
Incident Report
| Target Organization | Arthritis Center of Riverside |
|---|---|
| Threat Group | N0n |
| Summary | Arthritis Center of Riverside, a healthcare organization in the United States, was listed by the N0n ransomware group on its leak site on 2026-10-24. |
| Date of Breach | 2026-10-24 |
| Discovery Date | 2026-10-24 |
| Region | US |
| Target Domain | — |
| Business Sector | Healthcare |
| Severity | MEDIUM |
Claim by N0n
rheumatology medical practice · Riverside, California, United States | Scanned laboratory requisitions of named patients with dates of birth, home addresses and Medicare subscriber details, April through October 2026; Accounts receivable aging with patient names, account numbers, insurers and balances; Patient billing files and records correspondence of the practice | [NOT PAID — EXPOSED]
Posted by the N0n threat actor on its public leak site. This is the group's own statement and has not been independently verified by HackerFeeds.
Sources
Leak post (onion / Tor)
http://nongzecboljwv3yfndkggsybsglfrkffw7bvk2zemuteoxe6etpusnad.onion#v-acr
Open this URL in Tor Browser. Browsing leak sites carries real risk — view passively, never click further.
Disclaimer
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