Involves non-sensitive customer information such as user IDs. Some reports list names, emails and organizational roles. The entry point, duration and scale of impact were not disclosed.
Confirmed victims
- Chainalysis
Attribution
- ARTEX basis
- The company says only offensive agentic techniques. It did not name a tool.
- Actor
- External attacker.
- Same attacker?
- Not confirmed.
Sources (2)
- 2026-10 Media BleepingComputer Chainalysis discloses data breach from offensive agentic techniques
- 2026-10 Media Help Net Security Chainalysis breached using offensive agentic techniques