Security Signal

← Cyber news feed

Reported 60MalwareFirst seen 22 Oct 2026, 08:45 UTC

MythicRatatoskr: An Yggdrasil-enabled backdoor deployed in a UAC-0099-Sandworm collaboration

Coverage

HeadlineSourceTypePublished
MythicRatatoskr: An Yggdrasil-enabled backdoor deployed in a UAC-0099-Sandworm collaboration ESET WeLiveSecurityVendor research22 Oct 2026, 08:45 UTC

Why this score

Most trusted source60
Independent organisations reporting it (1)+0
Confirmed by an official source or CISA KEV+0
Confidence60 · Reported
We link to the original reporting and don’t reproduce it. Read the sources above for the full details.