Conduent breach surges to over 25 million, could be largest in US history

A data breach that impacted a major government tech contractor is now believed to be significantly larger than initially thought, with more than 25 million Americans affected.

Conduent, a business technology firm that provides a variety of services like medical billing, toll transactions and processing prepaid cards for government programs, experienced a data breach that began in October 2024 and was mitigated in January 2025.

Last October, the company began informing consumers who were affected by the breach, which was believed to have affected more than 10 million people who had their names, Social Security numbers and medical information exposed.

Newly released data breach reports have pushed the number of people affected in Texas to at least 15.4 million, up from an earlier estimate of 4 million that was released in October, according to a report by TechCrunch.

Additionally, the Oregon attorney general said over 10 million people were affected by the breach, and Conduent has reached out to "hundreds of thousands" of people in Delaware, Massachusetts, New Hampshire and other states, according to TechCrunch's review of breach notifications.

A ransomware group known as SafePay took responsibility for the Conduent data breach and claimed to have stolen over 8 terabytes of data over the course of the intrusion.

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