Latest cybersecurity reporting from selected sources.

An alleged Ryuk ransomware member pleaded guilty in the U.S. for helping deploy attacks on American companies and faces up to 15 years in prison. Armenian national Karen Serobovich Vardanyan (34) pleaded guilty in the U.S. for his role in Ryuk ransomware attacks targeting American organizations between 2019 and 2020. Extradited from Ukraine after his […]

Police arrested the alleged admin of XSS.is, a major cybercrime forum whose trusted escrow service helped power the underground economy. On 22 July 2025, French and Ukrainian police arrested a 38-year-old man in Kyiv and shut down XSS.is, the most influential Russian-language cybercrime forum of the past decade. Europol, which coordinated the operation under the […]

Ukrainian national Oleksii Lytvynenko pleaded guilty in the U.S. for his role in Conti ransomware attacks targeting victims worldwide. Oleksii Oleksiyovych Lytvynenko (44), a Ukrainian national extradited from Ireland to the U.S., has pleaded guilty to conspiracy to commit wire fraud for his involvement in the Conti ransomware operation. Prosecutors said he helped conduct attacks […]