Russian Hacking Groups Gamaredon and Turla Attacking Organizations to Deploy Kazuar Backdoor

In early 2025, cybersecurity researchers observed an unprecedented collaboration between two Russian APT groups targeting Ukrainian organizations. Historically, Gamaredon has focused on broad spear-phishing campaigns against government and critical infrastructure, while Turla has specialized in high-value cyberespionage using sophisticated implants. Their joint operations mark a significant escalation: Gamaredon gains initial access using its established toolkit, […]