Ukrainian Extradited from Ireland Pleads Guilty Over Role in Conti Ransomware Scheme

**Executive Summary:** Oleksii Lytvynenko, a Ukrainian national extradited from Ireland, pleaded guilty in the U.S. for participating in the Conti ransomware operation that between 2020–2022 infected over 1,000 systems across 47 U.S. states and 31 countries, stole victim data, and extorted an estimated $150 million in ransoms; he admitted to developing a malware loader and possessing stolen data and faces up to 20 years in prison with sentencing scheduled for September 10, 2026.