Ransomware group coinbasecartel hits OTEIS Conseil & Ingénierie
OTEIS Conseil & Ingénierie — a professional services target operating in FR has been listed by the coinbasecartel ransomware group on 2026-08-22. 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 | OTEIS Conseil & Ingénierie |
|---|---|
| Threat Group | coinbasecartel |
| Summary | [AI generated] OTEIS Conseil & Ingénierie is a French engineering and consulting firm specializing in building and infrastructure design. Operating in France, the company provides technical expertise across disciplines including structural engineering, fluids, electricity, and project management. It serves sectors such as real estate, public works, and urban development, supporting both public and private clients throughout project lifecycle phases. |
| Date of Breach | 2026-08-22 |
| Discovery Date | 2026-08-22 |
| Region | FR |
| Target Domain | oteis.fr |
| Business Sector | Professional Services |
| Severity | MEDIUM |
Claim by coinbasecartel
[AI generated] OTEIS Conseil & Ingénierie is a French engineering and consulting firm specializing in building and infrastructure design. Operating in France, the company provides technical expertise across disciplines including structural engineering, fluids, electricity, and project management. It serves sectors such as real estate, public works, and urban development, supporting both public and private clients throughout project lifecycle phases.
Posted by the coinbasecartel 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
oteis.fr
Leak post (onion / Tor)
http://fjg4zi4opkxkvdz7mvwp7h6goe4tcby3hhkrz43pht4j3vakhy75znyd.onion/companies/oteis
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.

