Credit reporting giant TransUnion has confirmed a major data breach that exposed the personal information of more than 4.4 million customers in the United States.
In a filing with Maine’s attorney general, TransUnion said the breach occurred on July 28, 2025, through unauthorized access to a third-party application used for its U.S. consumer support operations. The company insisted that “no credit information was accessed,” though it has yet to provide evidence supporting that claim. Details on the exact data stolen remain undisclosed.
A spokesperson for TransUnion declined to comment when pressed by reporters.
Part of a Wider Hacking Wave
TransUnion, which holds financial records for more than 260 million Americans, is the latest U.S. corporate giant to fall victim to hackers. Recent weeks have seen similar breaches hit companies like Google, Allianz Life, Cisco, and Workday, many of which involved data stored in Salesforce-hosted cloud systems.
Google has linked its own breach to the ShinyHunters, a notorious extortion group, though it’s not yet clear if the same actors are responsible for targeting TransUnion. The company has also not confirmed whether any ransom demands were made.
Rising Cybersecurity Concerns
This TransUnion data breach highlights ongoing vulnerabilities in the financial and consumer services sectors, where sensitive personal and financial data is a prime target. Experts warn that repeated hacks against credit, insurance, and retail giants erode public trust and raise questions about how securely corporations safeguard data.
As investigations continue, regulators and consumers alike will be watching how TransUnion responds—not only in securing its systems but also in restoring confidence among millions of Americans whose personal details may now be at risk.