Ransomware victim disclosure
← All victimsAPTIM
listed as C*** | A******** - Contact us by monday · Claimed by Coinbasecartel · listed 7 months ago
Status timeline
- ListedDec 12, 2025
- Data leakeddate unknown
At a glance
- Group
- Coinbasecartel
- Status
- Data leaked
- Listed on leak site
- Dec 12, 2025
- Data size
- 2 TB
About the victim
AI dossier — public-source company profileAPTIM is a large engineering, environmental, and infrastructure services firm operating across multiple sectors including energy, industrial, and government. The company employs thousands of field workers and manages major energy plant projects for clients with billion-dollar assets. It is referenced alongside Hunt LNG/Peru LNG as a partner on energy infrastructure projects.
- Industry
- Engineering & Environmental Services
Attack summary
Severity: critical — The group claims exfiltration of 2 TB of highly sensitive operational technology data including DCS controller logic and shutdown sequences for critical energy infrastructure, combined with claimed operational disruption (VPNs disabled, field workers locked out), active Mandiant incident response, and involvement of LNG energy assets — this constitutes a critical-severity incident affecting both OT/ICS data and operational continuity of critical infrastructure.The coinbasecartel group claims to have maintained persistent access to APTIM's network for approximately three weeks, burning through over a hundred corporate identities while Mandiant investigators were present, and exfiltrating highly sensitive engineering data including Navisworks 3D models, P&ID diagrams, Honeywell DCS controller logic, and shutdown sequences for major energy plants. The group states 2 TB of data has been exfiltrated and that corporate VPNs have been disabled, locking out thousands of field workers.
Data the group says was taken
AI dossier — extracted from the leak post- Navisworks 3D models
- P&ID diagrams
- Maintenance logic for energy plants
- Honeywell DCS controller logic
- Shutdown sequences for energy assets
- Corporate VPN credentials
- Internal network protocols
- Corporate identities (100+)
What the group claims
We have 2TB of your files. Proof in chat, Contact us by Monday.
The leak post
captured from the group's siteSystem Breach • Coinbasecartel We are looking for new partners/insiders. Send us a message to dicuss We are looking for new partners/insiders. Send us a message to dicuss CRITICAL ANNOUNCEMENTS × Contact Update We have changed our contact method. We now exclusively use qTox Messenger for all communications. SimpleX and Session have been discontinued. Our Tox ID: A7580331D4D16453CCE86D7ADFBCF0CEED0D0D1AEA8F4DBEEBCA9E3B46308F260DE9B41BD838 TO APTIM You may have noticed the sudden, heavy silence. The corporate VPNs are dead. We have been the silent architects of your network for the past three weeks. While your "elite" investigators from Mandiant sat in your logs, we sat directly beside them burning through over a hundred of your corporate identities like disposable tools. we have had your entire network and internal protocols. HOW LONG WILL YOU KEEP YOUR THOUSANDS OF FIELD WORKERS LOCKED OUT? We have successfully exfiltrated the most sensitive engineering data held by any firm in your sectors We hold the complete Navisworks 3D models, P&ID diagrams, and maintenance logic for your major energy plants. This includes the granular Honeywell DCS controller logic. We know…
Sources
Source
Indexed 7 months agoThis page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.
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