A Valparaiso University graduate living in Michigan is the lead plaintiff in a class action lawsuit accusing the university of negligence over a data breach that included names and Social Security numbers, and a slow response in alerting affected parties about the breach.

The lawsuit was filed Tuesday on behalf of Zachary Clark, who graduated in 2014, in U.S. District Court in Hammond.

The university had no comment on the suit, a spokesperson said in an email.

The university announced on its website on Sept. 19 that it had been subject to a data breach that occurred in August. According to that announcement, the university “experienced unusual activity” on its network, leading to an investigation by a third party.

“On August 11, 2025, our investigation determined that certain files and

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