TransUnion LLC: data breach filings, state by state
TransUnion LLC has 4 data breach filings on record in 3 government portals. The latest was reported to Oregon DOJ on Sep 2, 2025, with 4,461,511 in total. Data exposed, as filed: Postal address, Social Security number.
By portal
| Portal | Filings | Latest report | People in the latest filing |
|---|---|---|---|
| Oregon DOJ | 1 | Sep 2, 2025 | 4,461,511 in total |
| California AG | 2 | Aug 27, 2025 | Not published |
| Wisconsin DATCP | 1 | Aug 26, 2025 | 69,256 Wisconsin residents |
Counts are the organization's own, as filed with each agency. Most state portals count their own residents only, so no single state shows the whole incident. An organization can file more than once for the same incident, and for different ones.
Case file
- Breach window
- Jul 28, 2025
- Discovered
- No discovery date stated in the letters we read
- Offered to those affected
- 24 months of credit or identity monitoring through Experian
- Third party named
- Yes, the letter attributes the incident to a vendor or service provider
- Prior incidents
- 1 earlier incident on record for this organization
Open the case fileWord document
Every filing with the agency links, each state's record against its statutory period with the citation, what the letter offers, prior incidents. Letter facts are quoted so you can check them.
Every filing
| Organization | State | Reported | Residents affected |
|---|---|---|---|
| TransUnion LLC | OR | Sep 2, 2025 | 4,461,511 |
| TransUnion LLC | CA | Aug 27, 2025 | Not published |
| TransUnion LLC | WI | Aug 26, 2025 | 69,256 |
| TransUnion LLC | CA | Aug 4, 2022 | Not published |
Filings by other organizations that name TransUnion LLC
When a vendor is breached, its clients often file under their own names and mention the vendor.
| Organization | State | Reported | Residents affected |
|---|---|---|---|
| TransUnion Risk and Alternative Data Solutions, Inc. (TRADS) | OR | Oct 3, 2024 | 86,569 |
| TransUnion Risk and Alternative Data Solutions, Inc. (TRADS) | CA | Oct 2, 2024 | Not published |
Data reproduced from public government filings. Each row opens the record with the agency link. Spot an error? Email support@breachtally.com with the page link. Corrections are applied and noted.