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Latest coverage for Ukraine

Coverage of cybersecurity incidents, policy, public services, privacy, advisories, and regional developments connected to Ukraine.

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Ukraine covers cybersecurity and information-security developments connected to Ukraine, including incidents, policy, privacy, advisories, research, and news affecting organizations, public services, and digital systems in the area.

For practitioners, the tag provides geographic context for developments involving Ukraine's organizations, services, partners, and users. Individual articles provide the specific technologies, threats, sectors, and operational implications relevant to each development.

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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 […]

Security Affairs 13 Jul 2026, 8:48 a.m. Incident · 4 stories America Extradition Prison Ransomware Ukraine

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 […]

Security Affairs 1 Jul 2026, 11:09 a.m. Cybercrime Forums France Ransomware Russia Shut Down Supply Chain Ukraine XSS

Ukraine’s SSU and the FBI Just Confirmed Russian Intelligence Has Been Systematically Hacking Messenger Accounts for Years. The Security Service of Ukraine (SSU), working jointly with the FBI, has formally exposed a sustained Russian intelligence campaign targeting the messaging accounts of government officials, military personnel, politicians, and activists across Ukraine, Europe, and the United States. […]

Security Affairs 29 Jun 2026, 8:57 p.m. Incident · 2 stories America Critical Infrastructure Europe Exposure FBI Government Hacking Military Russia Ukraine

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 […]

Security Affairs 14 Jun 2026, 5:58 p.m. Incident · 3 stories America ContiGang Extradition Fraud Ireland Ransomware Ukraine Victims

Gamaredon exploits a WinRAR flaw to drop modular, nearly fileless malware on Ukrainian targets, hiding payloads in Windows streams and resolving C2s via Telegram. Sekoia’s Threat Detection & Research team dropped a YARA rule in late December 2025 to hunt for new initial access vectors, and by January 2026 it had already generated a dozen […]

Security Affairs 4 Jun 2026, 10:53 p.m. Incident · 2 stories Exploit Flaw Initial Access Malware Microsoft Research Threat Detection Ukraine Vulnerability

GREYVIBE, a Russia-linked group active since 2025, targets Ukraine with AI-assisted malware and five attack chains. Researchers say it’s part spy op, part crime gang. Security firm WithSecure has been tracking a previously unknown Russian-linked APT group called GREYVIBE since at least August 2025. The group targets Ukraine and Ukrainian-related organizations across military, government, civilian, […]

Security Affairs 30 May 2026, 6:23 a.m. Incident · 4 stories Advanced Persistent Threat Artificial Intelligence Critical Infrastructure Government Hacking Malware Military Research Russia Ukraine