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

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 between 2021 and 2022, during which victims’ systems were encrypted, data was stolen, and Bitcoin ransom payments were demanded from organizations in the U.S. and other countries.
According to the DoJ, the Conti ransomware variant infected more than 1,000 computers and networks worldwide.
Related breach coverage
- SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 1012026-06-14
Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter IronWorm: Shai-Hulud’s rustier cousin Trojanized ai-sdk-ollama Delivers Miasma, a Self-Replicating npm Worm via binding.gyp Inside the Cross-Platform Propagation of a New Gafgyt Variant C0XMO Using AI Agents to Analyze Malware on REMnux The Miasma […]
- Security Affairs newsletter Round 581 by Pierluigi Paganini – INTERNATIONAL EDITION2026-06-14
A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. Washington Pulled the Plug on Anthropic ‘s Fable 5 and Mythos 5 models. The Rest of […]
- NPM 12 Will Change Script Execution Behavior to Prevent Supply Chain Attacks2026-06-13
By default, npm install will no longer execute scripts from dependencies, unless explicitly allowed. The post NPM 12 Will Change Script Execution Behavior to Prevent Supply Chain Attacks appeared first on SecurityWeek.
- Anthropic Says It Has Taken Its Latest AI Models Offline to Comply With New Export Controls2026-06-13
Anthropic takes Fable 5 and Mythos 5 offline to comply with a directive from the Trump administration to prevent use by foreign nationals. The post Anthropic Says It Has Taken Its Latest AI Models Offline to Comply With New Export Controls appeared first on SecurityWeek.
