Summary
Written by ThreatClusterfrom file listing, victim profile, leak post, screenshotBraincipher claims to have stolen about 100 GB across 78,000 files from prosomnus.com. The leak post states the data includes PHI, a Kaiser Permanente Patient-Partner Tracking Sheet, and non-public FDA regulatory files, with sample filenames .bak and .pst. The publication status is a countdown, with a deadline of October 31, 2026 at 11:00, and prosomnus.com is listed as the victim domain.
Describes what the group claims on its leak site. A listing is not confirmation that a breach occurred.
Victim profile
- Domains
- prosomnus.com
What was taken
Contents: Patients' PHI; Kaiser Permanente Patient-Partner Tracking Sheet; Non-public FDA regulatory files; .bak; .pst.
Also stated on the leak page
Fields this group publishes that do not map to a standard column. Labels are the site's own.
- note
- Contents: Patients' PHI; Kaiser Permanente Patient-Partner Tracking Sheet; Non-public FDA regulatory files; .bak; .pst.
- deadline_text
- Deadline: October 31, 2026 at 11:00
- size_and_file_count
- 100GB, 78,000 files
- If you think you are here by mistake, please contact us at brain.dataleak@cyberf
- [email protected]
Leak-site images (1)
Images from the victim's leak listing. Thumbnails scraped from the onion page are blurred by default — click a thumbnail to view.