Latest cybersecurity reporting from selected sources.

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 […]

Researchers at ESET observed strengthened cyber-offensive activity from Russian groups, especially against Ukrainian and European entities

'Nearest Neighbor Attack' Bypasses Cyber Defenses by Breaching WiFi NetworksA Russian cyberespionage group hacked a Washington, D.C.-based organization focused on Ukraine by deploying a new attack technique that exploits Wi-Fi connectivity, according to new research. The "nearest neighbor attack: methodology could lead to a significant broadening of targeting and attacks.

Researchers have spotted the threat group, also known as Fancy Bear and Sofacy, using the Windows MSDT vulnerability to distribute information stealers to users in Ukraine.