"Russian-Linked Hackers Used New Mesh Network Backdoor in Destructive Ukraine Attack". 25 October 2026 Summary of the Cyberattack in Ukraine
• The Perpetrators: The attack was a coordinated effort between two Russian state-sponsored cyberespionage groups: UAC-0099, which handled the initial network breach and access, and the destructive military hacking group known as Sandworm, which executed the final attack phase.
• The Innovative Technique: The hackers deployed a new backdoor malware called Myth