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University of Copenhagen data breach exposes personal data of 525000 people
Hackers breached a test environment at the University of Copenhagen, compromising personal data belonging to 525,000 people including staff and student PIN codes.
FTMQ Security, written by our newsroom0 views
The University of Copenhagen in Denmark confirmed that hackers accessed one of its test environments containing personal data belonging to 525,000 people. BleepingComputer and Omnibus both report that the university was hit by a cyber attack. [1][2]
According to BleepingComputer, the university detected the breach on Tuesday, October 20, 2026, and disclosed the incident on Friday, October 23, 2026. In an update on Sunday, October 25, 2026, the university added that PIN codes belonging to another 20,000 staff and students were exposed during the attack. [1]
The university confirmed in a statement that hackers gained access to one of its test environments. Founded in 1479, the University of Copenhagen is the oldest university in Denmark. [1]
In short
- Hackers breached a test environment at the University of Copenhagen containing personal data belonging to 525,000 people.
- The University of Copenhagen detected the network breach on Tuesday and publicly disclosed it on Friday.
- An update from the university confirmed that PIN codes for 20,000 staff and students were also exposed.
Sources
Every paragraph above points to the numbered items it rests on. Read the originals here.
- [1]University of Copenhagen data breach exposes data of 525,000 peopleBleepingComputer, 2h ago (the report this story comes from)
- [2]University of Copenhagen also hit by cyberattackOmnibus - Universitetsavisen på Aarhus Universitet, 11h ago
Background
- [3]University on Wikipedia
- [4]Web scraping on Wikipedia
Our newsroom writes these reports with the help of software, from the 4 sources listed and nothing else, and checks them against those sources. Facts can still be wrong or move on; the originals are the record. Spotted a mistake? Write to daniel@monsterkong.com.
Related from FTMQ Security
Earlier reports of ours on the same people and subjects.
- A weak password exposed personal data of 8 point 8 million people in DenmarkData Breaches, 12d ago
- Researchers Demonstrate SPECTER Attack Leaking Data From Air Gapped ComputersData Breaches, 2d ago
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