TransUnion announced on August 28, 2025, that a cyber incident involving a third-party application serving its U.S. consumer support operations compromised the data of more than 4 million people. The company stated it quickly contained the issue, which did not involve its core credit database or credit reports.
The breach exposed personal information of 4.4 million U.S. customers, according to the company. This incident highlights the ongoing cybersecurity risks faced by companies relying on third-party vendors for critical operations.
While TransUnion emphasized that its core credit database remained secure, the exposure of consumer data from a support application is a significant event. It could lead to increased scrutiny from regulators and impact consumer trust, underscoring the importance of robust cybersecurity measures across all operational facets.
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