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TransUnion Discloses Data Breach

Posted on September 11, 2025

TransUnion Discloses Data Breach

September 2025
Reportedly, TransUnion has suffered a data breach that exposed the personal information of over 4.4 million people in the United States.


According to a notification filed with the Office of the Maine AG, the breach occurred on July 28, 2025, and was discovered on July 30,2025.


In a notification letter to impacted customers, TransUnion did not specify the type of data leaked but said that a specific set of data, excluding credit reports or core credit information, was affected.


Additionally, TransUnion stated that it “takes the protection of personal information seriously, which is why we engage in robust, proactive security measures. We continue to enhance our security controls as appropriate to minimize the risk of any similar incident in the future.”


For additional information please see the articles found in the links below:

  • https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/3dcd9b7c-bce3-4685-bffd-f728ce96e2fd.html
  • https://www.msn.com/en-us/money/companies/transunion-data-breach-exposes-data-of-44-million-people/ar-AA1Ls4Kp?ocid=BingNewsSerp
  • https://www.bleepingcomputer.com/news/security/transunion-suffers-data-breach-impacting-over-44-million-people/
  • https://www.yahoo.com/news/articles/transunion-data-breach-affected-4-133000346.html
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