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The biggest data breaches of 2025 — so far | TechCrunch

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Summary
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67% Informative

Ed-tech giant PowerSchool breach likely affects tens of millions of students and teachers.

Reports claim that the breach affected more than 62 million students and 9.5 million teachers in the U.S. PowerSchool hasn’t confirmed or denied the reported 62 million figure, but various filings have confirmed that millions of people were affected by the breach.

Last year, 2024 , saw more than one billion records stolen.

While the company said its internal investigation “could not definitively conclude” what specific data was stolen, a separate filing in the state of Massachusetts confirms that Social Security numbers, financial information, and government-issued identity documents are among the stolen data. DISA blamed the breach on an unidentified hacker, who had access to a portion of the company’s network for more than two months before they were noticed..

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70

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73

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31

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formal

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English

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73

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short-lived

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