Unc3753 — Campaign Analysis & Threat Activity

Threat entity extracted from intelligence sources

Frequency
3
occurrences
First Seen
June 5, 2026
Last Seen
June 10, 2026

Unc3753 is a threat campaign tracked across 1 threat cluster and 3 intelligence report mentions on ThreatCluster. First observed June 5, 2026; most recent activity June 10, 2026.

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Recent Intelligence Reports

  • Targeted Campaign Us Law Firms — cloud.google.com · June 10, 2026
  • If you don't fall for these extortionists' calls, they'll show up with USB sticks — Theregister · June 5, 2026
  • Seeking Counsel: Ongoing Targeted Campaign Against US Law Firms — Mandiant · June 5, 2026

CVSS v3.1 Breakdown