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DATA BleepingComputer

University of Copenhagen data breach exposes data of 525,000 people

Oct 26, 2026, 10:20 PM · by BleepingComputer

The University of Copenhagen in Denmark confirmed that hackers accessed one of its test environments containing personal data belonging to 525,000 people.

The educational organization detected the breach last Tuesday and disclosed it on Friday. In an update yesterday, the university added another 20,000 staff and students whose PIN codes were exposed.

“The University of Copenhagen has confirmed a cyber attack in which hackers gained access to one of the university’s test environments,” the university says.

Founded in 1479, the University of Copenhagen is Denmark’s oldest university and one of its leading research institutions. It has approximately 36,800 students and 10,700 employees, with six faculties and more than 200 research centers.

The University of Copenhagen is still investigating to determine the extent of the incident, but warns that the following information may have been exposed:

Source: BleepingComputer