TransUnion
Data Breach Class Action Lawsuit
Posted: August 28, 2025 -- Attention, victims of the TransUnion data breach.
Abington Cole + Ellery is investigating the data breach recently announced by TransUnion.
TransUnion Data Breach Summary:
Approximately 4.4 million individuals were affected by the TransUnion data breach, and breached data may include, but is not necessarily limited to: personal information.
TransUnion encountered a cybersecurity breach involving unauthorized access to personal data stored on a third-party application. According to TransUnion, the breach began on or about July 28, 2025, and was discovered on or about July 30, 2025. The incident affected a system supporting consumer operations in the United States. TransUnion says the breach exposed limited personal information belonging to certain individuals.
TransUnion says it employs systems to safeguard information and detect potential threats. Following the incident, TransUnion claims to have initiated a review to identify vulnerabilities and implement necessary updates.
According to TransUnion, efforts to strengthen security controls continue in hopes to prevent future breaches. The company says it conducts ongoing assessments of its systems and collaborates with external partners to ensure data integrity.
As a result of the data breach, TransUnion is offering 24 months of free credit monitoring and/or identity theft protection services to some affected individuals.
Additional information about the TransUnion data breach may be found here: TransUnion Data Breach Notification. The TransUnion Website may also have additional information about or provide periodic updates regarding the data breach.
If you are a victim of the TransUnion data breach, and interested in potentially volunteering to serve as a class representative in a class action lawsuit against TransUnion, please submit your information here to be considered:
An attorney-client relationship is not formed by submitting information through this website.
About TransUnion:
TransUnion functions as a consumer credit reporting agency in the United States. The company originated on February 8, 1968. In 1969, TransUnion acquired the Credit Bureau of Cook County, which held 3.6 million credit accounts at the time. In 1981, the Marmon Group purchased TransUnion for $688 million. Ownership changed in 2010 when Goldman Sachs Capital Partners and Advent International acquired the company.
TransUnion supplies credit reports and credit information to individuals. The company provides fraud-protection products to consumers. For businesses, TransUnion offers data services that include CreditVision for credit evaluations and SmartMove for background checks on potential renters. Additional services encompass ResidentCredit for reporting rental payments and ClearIQ for use in healthcare settings. TransUnion generated revenue of $4.18 billion in 2024.
TransUnion bases operations at headquarters in Chicago, Illinois. The company employs 13,400 people as of 2024. TransUnion conducts business in over thirty countries and serves more than 65,000 businesses. In 2015, TransUnion listed as a publicly traded company on the stock exchange under the symbol TRU. The company acquired Neustar for $3.1 billion and Sontiq for $638 million in 2021, then purchased a majority stake in its Mexican unit for $560 million in 2025.
For more information about steps you can take to possibly reduce the chances harm arising from a data breach, please review the following article: What are some steps you can take if you've been the victim of a data breach?
If you believe you are a victim of the TransUnion data breach, and if you would like to volunteer to serve as a class representative in a class action lawsuit regarding this data breach, please submit your information via the form on this webpage. This website is not associated with nor authorized by TransUnion or any affiliated companies. If you have received any other data breach notifications, you may to review Abington Cole + Ellery's current list of data breach investigations.