UnknownMedium
TransUnion
bd_9bac2141a674997f · schema v1 · pii pii-v1
Full breach record for TransUnion →TransUnion LLC reported a data breach to the Montana Attorney General. The breach was reported on 2025-09-03. The breach occurred from 07/28/2025 to 07/29/2025. 9,410 Montana residents were affected.
Leak gap clock⏱ Leak >30d5 weeks discovery → filing
⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed9,410 affectedView incident
A leak claim by shinyhunters about this victim predates this filing by 67 days.View originating leak claim
Source provenance
- Source URL
- https://dojmt.gov/office-of-consumer-protection/reported-data-breaches/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Sep 3, 2025
- Raw hash
- b3dbfbb2ad9ca361bb5391ecbc8f1bb0fc1a8db43388b573751b98614e28912b
Reporting entity
- Name
- TransUnionnorm: transunion
- Domain
- transunion.com
Victim entity
- Name
- TransUnionnorm: transunion
- Domain
- transunion.com
Incident
- Discovered
- —
- Materiality determined
- —
- Notification sent
- —
- Affected individuals
- 9,410
- Data types
- —
- Attack vector
- Unknown
- Threat actor
- External
Compliance
- Time to disclose
- 5 weeks(37 days from discovery to filing)
- Compliance flags
- Leak >30d
- Discovery-date grounding
- no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.