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July 28, 2025 Verified Sensitive Record Financial Services

TransUnion 2025 Data Breach

The 2025 TransUnion data breach involved unauthorized access to a third-party application used for the credit-reporting company's U.S. consumer-support operations.

4.5 Million
Affected People
6
Data Types
Critical
Severity
Yes
Verification

Exposed Data Types

6
Names
Physical addresses
Phone numbers
Email addresses
Dates of birth
Social security numbers

Additional Information

Added DateAugust 4, 2026
Breach DateJuly 28, 2025
Domaintransunion.com
SourceTransUnion notice, Maine and Texas Attorneys General, and BleepingComputer
Last Content UpdateAugust 4, 2026

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

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Company Information

Company NameTransUnion
SectorFinancial Services
CountryUnited States
Websitewww.transunion.com

Risk Level

Critical

The reported impact exceeds 1 million and falls within the critical severity band.

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