The Russian state-sponsored hacking group known as APT-C-13, also recognized as Sandworm, has developed a highly advanced method for maintaining hidden, long-term access to victim networks. Recent threat intelligence reveals that the group is deploying a complex double-encrypted tunnel system using SSH and Tor to secretly bypass traditional security defenses. The Attack Chain and Evasion […] The post New Sandworm Tradecraft Enables Long-Term Hidden Access appeared first on Cyber Security News.