Heinrich-Heine-Universität Düsseldorf

Heinrich Heine University Düsseldorf (HHU) is a higher education institution located in Germany that provides undergraduate and graduate education across multiple academic disciplines. The university also engages in research activities and offers various academic services to its students and staff. It operates within the German higher education sector, serving regional and national learners.

According to incident reports, the university enrolls approximately 15,000 students and its broader community comprises over 60,000 members, including students, employees, alumni, and guests. This indicates a substantial size and reach for the institution within Düsseldorf and the surrounding area. The data reflect the scale of personal information managed by the university's IT systems.

HHU is a German university, as indicated by its headquarters location in Germany. The recent cybersecurity incidents described in the sources show that attackers have targeted credential systems, email accounts, and legacy data, underscoring the challenges of securing large volumes of personal and academic data. In response to the 2024 incident, the university blocked compromised accounts, decommissioned the affected exam system, notified data protection authorities, and filed a criminal complaint. Following earlier incidents, the university closed identified security gaps, reported the events to law enforcement and data protection authorities, and, where applicable, advised affected individuals to reset passwords.