Kozminski University
About the organisation
***.edu.pl zoominfo.com/c/kozminski-university/372606592 Kozminski University, located in Warsaw, is Poland's premier private business school and a globally recognized academic institution holding the prestigious "Triple Crown" accreditation. Consistently ranked among the top European business schools by the Financial Times, it specializes in management, finance, and law. The university is dedicated to shaping future business leaders through innovative, research-driven education and strong international partnership
What the listing means
Kozminski University appeared on the thegentlemen leak site on 15 June 2026. Groups publish a victim once negotiations stall or as pressure during them, so a listing usually means data was already exfiltrated. This group has published 134 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing Kozminski University as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on kozminski.edu.pl, change that password now, update it anywhere you reused it, and enable two-factor authentication.
- Other Education organisations should review this group's known TTPs and validate detection coverage against them.
- Watch for follow-on extortion: stolen data is often re-leaked or resold after the initial listing.
- A leak-site listing is a claim made by the attacker, not a confirmed breach — check the organisation's own disclosures before acting on it.
Leak-site evidence
Listing URL https://www.ransomware.live/id/S296bWluc2tpIFVuaXZlcnNpdHlAdGhlZ2VudGxlbWVu