threat-intelvia WeLiveSecurity (ESET)
ESET Research: Sandworm behind cyberattack on Poland’s power grid in late 2025
The attack involved data-wiping malware that ESET researchers have now analyzed and named DynoWiper
Jan 23, 2026 UTC
Security news
Stories are attributed to their original publishers and reviewed by an editor before they appear here. Always read the original source.
malwarevia WeLiveSecurity (ESET)
MythicRatatoskr: An Yggdrasil-enabled backdoor deployed in a UAC-0099-Sandworm collaboration
ESET researchers uncover MythicRatatoskr – a previously unknown Go-based backdoor hiding its C&C server inside the Yggdrasil mesh network – that paved the way for a destructive att...
Oct 22, 2026 UTC
malwarevia The Hacker News
Russia-Linked Hackers Used New Mesh Network Backdoor in Destructive Ukraine Attack
The Russian state-sponsored hacking group Sandworm teamed up with another threat actor to carry out a destructive wiping attack targeting a Ukrainian logistics company last year....
Oct 23, 2026 UTC