TransUnion
3 breaches4.5M affected in allFinancetransunion.com
| Breach | Affected | ||||
|---|---|---|---|---|---|
| TransUnion third-party app breach exposes 4.4 million consumersAug 26, 20251 year agoVendor breach | Aug 26, 20251 year ago | Vendor breach | Finance | Confirmed | 4.5M |
| Disclosed Aug 4, 2022Aug 4, 20224 years ago | Aug 4, 20224 years ago | Not stated | Finance | Confirmed | 12K |
| Disclosed Oct 23, 2018Oct 23, 20187 years ago | Oct 23, 20187 years ago | Not stated | Finance | Confirmed | Unknown |
About
Every breach here links to its sources and official notices. Across fru.dev: lawsuits, incidents and outages.
- 2026-09-25 · TransUnion, 2018-10-23 · added
- 2026-09-25 · TransUnion, 2022-08-04 · source: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/files/2022-DB-Year-to-Date-Report-for-Website.pdf
- 2026-09-25 · TransUnion, 2022-08-04 · records: 11765
- 2026-09-25 · TransUnion, 2022-08-04 · records_basis: organization
- 2026-09-25 · TransUnion, 2022-08-04 · records: 67
- 2026-09-25 · TransUnion, 2025-08-26 · records: 4461511
- 2026-09-25 · TransUnion, 2022-08-04 · source: https://ago.vermont.gov/document/2022-11-7-transunion-data-breach-notice-consumers
- 2026-09-25 · TransUnion, 2022-08-04 · sector: finance
- 2026-09-25 · TransUnion, 2025-08-26 · source: https://ago.vermont.gov/document/2025-09-01-transunion-data-breach-notice-consumers
- 2026-09-25 · TransUnion, 2025-08-26 · campaign: salesforce-2025
- 2026-09-25 · TransUnion, 2025-08-26 · sector: finance
- 2026-09-25 · TransUnion, 2025-08-26 · attack: third-party
- 2026-09-25 · TransUnion, 2025-08-26 · data_types: ["names","dob","ssn","addresses","phone","emails"]
- 2026-09-25 · TransUnion, 2025-08-26 · records: 4400000
- 2026-09-25 · TransUnion, 2025-08-26 · summary: TransUnion told Maine's attorney general that a July 28, 2025 breach of a third-party application used for US consumer support exposed personal data of more than 4.4 million people, including names, birth dates and SSNs (a data sample also
- 2026-09-25 · TransUnion, 2025-08-26 · title: TransUnion third-party app breach exposes 4.4 million consumers
- 2026-09-25 · TransUnion · domain: transunion.com
- 2026-09-25 · TransUnion, 2025-08-26 · data_types: ["names"]
- 2026-09-25 · TransUnion, 2025-08-26 · records_basis: organization
- 2026-09-25 · TransUnion, 2025-08-26 · records: 4461511
- 2026-09-25 · TransUnion, 2025-08-26 · disclosed: 2025-08-26
- 2026-09-25 · TransUnion, 2025-08-26 · discovered: 2025-07-29
- 2026-09-25 · TransUnion, 2022-08-04 · added
- 2026-09-25 · TransUnion, 2025-08-26 · added
- 2026-09-25 · TransUnion · added