Ransomware group BrainCipher hits prosomnus.com
prosomnus.com — a healthcare target operating in US has been listed by the BrainCipher ransomware group on 2026-10-21. 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 | prosomnus.com |
|---|---|
| Threat Group | BrainCipher |
| Summary | prosomnus.com, a healthcare organization in the United States, was listed by the BrainCipher ransomware group on its leak site on 2026-10-21. |
| Date of Breach | 2026-10-21 |
| Discovery Date | 2026-10-21 |
| Region | US |
| Target Domain | prosomnus.com |
| Business Sector | Healthcare |
| Severity | MEDIUM |
Claim by BrainCipher
[AI generated] ProSomnus Inc. is a U.S.-based medical device company specializing in the design and manufacture of precision oral appliances for the treatment of obstructive sleep apnea and snoring. Operating in the healthcare and medical device industry, the company focuses on sleep medicine solutions as an alternative to CPAP therapy. ProSomnus is headquartered in California, United States, and serves dental and sleep medicine professionals.
Posted by the BrainCipher 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
prosomnus.com
Leak post (onion / Tor)
http://vkvsgl7lhipjirmz6j5ubp3w3bwvxgcdbpi3fsbqngfynetqtw4w5hyd.onion/n/prosomnus-com
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Disclaimer
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