3CX Supply Chain Attack — Campaign Analysis & Threat Activity

Threat entity extracted from intelligence sources

Frequency
6
occurrences
First Seen
May 5, 2026
Last Seen
August 7, 2026

Related Threat Clusters

Recent Intelligence Reports

  • T1189 — attack.mitre.org · August 7, 2026
  • T1027 — attack.mitre.org · August 7, 2026
  • Symantec first documented in May 2024 — www.security.com · July 24, 2026
  • T1620 — attack.mitre.org · July 23, 2026
  • T1203 · Exploitation for Client Execution — attack.mitre.org · June 8, 2026
  • DAEMON Tools software infected – supply chain attack ongoing since April 8, 2026 — Securelist · May 5, 2026

CVSS v3.1 Breakdown