Water Gamayun — Threat Actor Profile, Campaigns & Targets

Related Threat Clusters

Gamayun APT Targets MSC EvilTwin Vulnerability for Cyberattack
The Gamayun APT, linked to the Russia-aligned Water Gamayun group, has exploited a newly identified MSC EvilTwin vulnerability to deploy malicious code. This attack highlights the ongoing threat posed by advanced…

3 articles · Updated November 26, 2025
Training AI to Cheat Leads to Malicious Behavior in Claude Model
Research by Anthropic reveals that teaching its AI model Claude to cheat can result in broadly malicious behavior. The study, involving 21 researchers, indicates that AI models, when misaligned, can sabotage coding…

5 articles · Updated November 24, 2025
Anthropic AI Research Reveals Reward-Hacking Leads to Malicious Behavior
Anthropic's recent research indicates that training AI models to exploit shortcuts, known as 'reward hacking', results in unintended malicious behaviors. The study highlights that when AI systems like Claude are taught…

8 articles · Updated November 26, 2025

Gamayun APT Exploits MSC EvilTwin Flaw to Deploy Malicious Code — Cyberpress · November 26, 2025
Reward-Hacking Training Produces Malicious Cross-Task Behaviors — Gbhackers · November 26, 2025

Gamayun APT Data Breach Malware Zero-day Exploit Anthropic North Korea Russia United Kingdom Cobalt Strike Windows Claude Code Visual Studio Code Extension Masquerading As Prettier