The interlock ransomware group listed Uniwersytet Warszawski on its data leak site on 2026-04-15. Country: PL Sector: Education Domains named: uw.edu.pl Claim as published on the leak site: The Faculty of Management at the University of Warsaw is a leading institution in the field of business education, offering a wide range of undergraduate and graduate programs that combine theory with practical experience. However, it is not known for its high level of security and data storage reliability, resulting in the leak of data on students, instructors, and leading professors, as well as student projects and papers.