UnknownOtherIDENTITY_GOVERNMENTCritical
TransUnion
bd_83b605646965217d · schema v1 · pii pii-v1
Full breach record for TransUnion →TransUnion LLC based in Chicago, Illinois, a other entity reported a data breach to the Texas Attorney General. The breach was discovered on 2025-07-29 and reported on 2025-09-04. 377,357 Texas residents were affected. 4,461,511 individuals affected in total. Types of information involved: Social Security Number Information. Consumers were notified via U.S. Mail.
Texas clock✗ TX AG >30d5 weeks discovery → filing
⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
This filing is one of 3 about the same incident.View merged incident
A leak claim by shinyhunters about this victim predates this filing by 68 days.View originating leak claim
Linked disclosures
Why this link?Regulatory filings (2) · sorted by filing gap
- bd_331561e568edbb3fNew Hampshire State AGfiled 2025-09-04Verified
- bd_d7d141dc595dd1b0South Carolina State AGfiled 2025-09-04Verified
Source provenance
- Source URL
- https://oag.my.site.com/datasecuritybreachreport/apex/DataSecurityReportsPage#BR-0004534
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Sep 4, 2025
- Raw hash
- 34ad2ce9b73000e51738556327eddb5712533b4e504d4c7ddeb5d73b009596a2
Reporting entity
- Name
- TransUnionnorm: transunion
- Domain
- transunion.com
Victim entity
- Name
- TransUnionnorm: transunion
- Domain
- transunion.com
- Industry
- Otherllm
Incident
- Discovered
- Jul 29, 2025
- Materiality determined
- —
- Notification sent
- —
- Affected individuals
- 377,357
- Data types
- IDENTITY_GOVERNMENT
- Attack vector
- Unknown
- Threat actor
- External
Compliance
- Time to disclose
- 5 weeks(37 days from discovery to filing)
- Compliance flags
- TX AG >30dLeak >30d
- Discovery-date grounding
- AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.