A Ukrainian national extradited from Ireland to the United States last year has pleaded guilty to conspiracy charges tied to the Conti ransomware operation. The U.S. Department of Justice announced Thursday that 44-year-old Oleksii Oleksiyovych Lytvynenko pleaded guilty to conspiracy to commit wire fraud for his role in Conti ransomware attacks conducted between 2021 and 2022. According to prosecutors, Lytvynenko and his co-conspirators deployed Conti ransomware on victim networks in the United States and abroad, stealing data and encrypting devices to extort Bitcoin ransom payments. According to the DOJ, Lytvynenko admitted to joining the Conti conspiracy in approximately September 2021 and possessing data stolen from eight U.S. victims and four overseas victims. He also admitted to…