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Russia’s Turla APT Deploys STOCKSTAY Backdoor Against Ukrainian Government and Military Targets

30 June 2026  |  dark6  |  Cybercrime

Russia-linked Turla (FSB Center 16) has been running a long-running espionage campaign deploying a new .NET backdoor called STOCKSTAY against Ukrainian government and military organizations since December 2022....

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GREYVIBE: Russian-Aligned Hackers Use ChatGPT and Google Gemini to Build Cyberweapons Targeting Ukraine

30 May 2026  |  dark6  |  Cybercrime

A newly tracked threat actor called GREYVIBE is using generative AI tools including ChatGPT and Google Gemini to develop malware, generate phishing lures, and attack Ukrainian government, military,...

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Ukrainian Intelligence Report: Russian APT Groups Intensify Cyber Operations — 5,927 Incidents, 37% Rise in 2025

23 May 2026  |  dark6  |  Cybercrime

A new intelligence report from Ukraine's National Security and Defense Council reveals Russian state-sponsored threat groups dramatically escalated cyber operations in 2025, with CERT-UA recording 5,927 incidents —...

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APT28 Deploys New PRISMEX Malware Suite Against Ukraine and NATO in Sophisticated Espionage Campaign

18 April 2026  |  dark6  |  Malware

Russia's APT28 (Fancy Bear) has launched a new campaign deploying the previously undocumented PRISMEX malware framework, which uses steganography, COM hijacking, and legitimate cloud services for C2. Targets...

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CERT-UA Exposes APT Malware Campaign Targeting Eastern European Governments and Municipal Hospitals

17 April 2026  |  dark6  |  Malware

Ukraine's CERT-UA has disclosed a sophisticated infostealer campaign targeting government bodies and municipal healthcare institutions across Eastern Europe. The malware harvests credentials from Chromium browsers and exfiltrates WhatsApp...

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Russia’s APT28 Deploys New PRISMEX Malware in Espionage Campaign Targeting Ukraine and NATO Allies

12 April 2026  |  dark6  |  Malware

Russia-linked APT28 (Fancy Bear) has launched a new spear-phishing espionage campaign deploying PRISMEX, a previously undocumented malware suite combining steganography, COM hijacking, and cloud-based C2 infrastructure. Targets span...

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Russian ISP Nodex confirmed that its network had been “destroyed” by Ukrainian hacktivists

8 January 2025  |  securebulletin.com  |  Hacktivism

On January 8, 2025, a significant cyber incident unfolded as the Russian internet service provider (ISP) Nodex confirmed that its network had been “destroyed” following a coordinated attack...

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International Law Enforcement Agencies Arrest Ransomware Group Core Members in Ukraine

28 November 2023  |  dark6  |  Ransomware

Law enforcement agencies from seven nations have apprehended the core members of a ransomware group operating in Ukraine. The group was responsible for launching attacks against organizations in...

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