Story perspectives

Columbia University Data Breach Affects 870,000 Individuals

1/13/2026

Summary

Story summary

In January 2026, Columbia University reported a data breach affecting about 870,000 individuals, exposing Social Security numbers and birth dates.
The breach occurred around May 15, 2025, during negotiations with U.S. President Donald Trump’s administration over federal funding amid allegations of antisemitism.
Columbia has implemented new security measures and is offering free credit monitoring to affected individuals.
In July 2025, Columbia reached a settlement with the Trump administration, agreeing to pay over $220 million and to modify its admissions policies.

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Story summary

In January 2026, Columbia University reported a data breach affecting about 870,000 individuals, exposing Social Security numbers and birth dates.
The breach occurred around May 15, 2025, during negotiations with U.S. President Donald Trump’s administration over federal funding amid allegations of antisemitism.
Columbia has implemented new security measures and is offering free credit monitoring to affected individuals.
In July 2025, Columbia reached a settlement with the Trump administration, agreeing to pay over $220 million and to modify its admissions policies.