A data breach at Columbia University last June has resulted in the exposure of sensitive information, including 1.8 million Social Security numbers. Affected individuals include those with no direct connection to the university. Columbia's public notices regarding the breach were directed only to members of the Columbia community, and major news reports primarily referenced victims affiliated with the institution. The breach was reportedly executed by a hacktivist aiming to highlight Columbia's admissions practices.
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Data Breach at Columbia University Affects Unaffiliated Individuals
Columbia University experienced a data breach in June 2025, compromising the personal information of 1.8 million individuals, including Social Security numbers. Many affected individuals have no ties to the university, and the breach has raised concerns about data security and privacy.
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Original Headline
My SSN was exposed in a breach at Columbia—a school I have no connection with
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Data Breach at Columbia University Affects Unaffiliated Individuals
