Gamaredon Exploits WinRAR to Deliver GammaWorm and GammaSteel Against Ukraine

The Russian hacking group known as Gamaredon has been attributed to the continued exploitation of a WinRAR vulnerability to deliver multiple malware families aimed at data theft and propagation. Per Sekoia, the activity involves the weaponization of CVE-2025-8088, a path traversal flaw in WinRAR,...

New Russian-Backed Gamaredon's Spyware Variants Targeting Ukrainian Authorities

The State Cyber Protection Centre SCPC of Ukraine has called out the Russian state-sponsored threat actor known as Gamaredon for its targeted cyber attacks on public authorities and critical information infrastructure in the country. The advanced persistent threat, also known as Actinium,...