Summary
- Environment: CodeSecure computer network
- Operational impact: Personal information potentially affected; total population unconfirmed
- Financial impact: No incident cost disclosed
- Record status: Developing record. Reviewed November 2, 2026; updated as evidence emerges.
What happened
CodeSecure said an intruder accessed its systems on September 15, 2025 and viewed or copied information. Its October 27 notice limits the incident to CodeSecure before technical integration with AdaCore. [2]
Impact
Potentially affected information includes identity, contact, medical, insurance and financial information, plus usernames and passwords; categories vary by person. CodeSecure reported no known misuse as of its notice. [2]
Vermont’s submitted-report table lists three Vermont residents. This is not a nationwide total. [1]
Timeline
Threat Group & Attack Vector
The entry method and discovery date remain undisclosed.
Actors
- No threat actor group has been identified in the reviewed public evidence.
TTPs
- No specific MITRE ATT&CK technique is currently mapped for this case.
Response
CodeSecure secured systems, commissioned forensic work, reviewed affected information, added safeguards and offered credit monitoring through notification letters. [2]
