Ransomware group direwolf hits National Kidney Registry
National Kidney Registry — a healthcare target operating in US has been listed by the direwolf ransomware group on 2026-08-25. 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 | National Kidney Registry |
|---|---|
| Threat Group | direwolf |
| Summary | [AI generated] The National Kidney Registry is a nonprofit organization based in the United States that facilitates kidney paired donation programs. It operates within the healthcare and organ transplantation industry, connecting kidney donors and recipients across a national network of transplant centers. Its mission is to improve transplant outcomes, increase the number of living donor transplants, and reduce patient waiting times for compatible kidneys. |
| Date of Breach | 2026-08-25 |
| Discovery Date | 2026-08-25 |
| Region | US |
| Target Domain | kidneyregistry.com |
| Business Sector | Healthcare |
| Severity | MEDIUM |
Claim by direwolf
[AI generated] The National Kidney Registry is a nonprofit organization based in the United States that facilitates kidney paired donation programs. It operates within the healthcare and organ transplantation industry, connecting kidney donors and recipients across a national network of transplant centers. Its mission is to improve transplant outcomes, increase the number of living donor transplants, and reduce patient waiting times for compatible kidneys.
Posted by the direwolf threat actor on its public leak site. This is the group's own statement and has not been independently verified by HackerFeeds.
Sources
Victim website
kidneyregistry.com
Leak post (onion / Tor)
http://direwolfcdkv5whaz2spehizdg22jsuf5aeje4asmetpbt6ri4jnd4qd.onion/api/public/articles/111
Open this URL in Tor Browser. Browsing leak sites carries real risk — view passively, never click further.
Disclaimer
HackerFeeds does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information. All breach data reported here is sourced from publicly available threat intelligence feeds for awareness purposes only.

