T1566.003 - Spearphishing Via Service - MITRE ATT&CK

Threat entity extracted from intelligence sources

Frequency
65
occurrences
First Seen
February 8, 2026
Last Seen
September 4, 2026

Related Threat Clusters

Recent Intelligence Reports

  • MITRE ATT&CK technique T1566.003 — attack.mitre.org · September 4, 2026
  • IT Support Impersonation Turns a Teams Chat Into Domain — Cybersecurity-Insiders · September 4, 2026
  • Large Enterprises Targeted in Fake Merger & Acquisition Scams — Darkreading · September 3, 2026
  • Phantom Deal Hackers Impersonate Executives and Use Fake NDAs to Steal Corporate Wire Transfers — Cybersecuritynews · September 3, 2026
  • Impersonating IT support: how threat actors turn a remote session into enterprise — Blogs.Microsoft · September 2, 2026
  • Vishing campaign abuses Microsoft Teams to give attackers a foothold in company networks — Helpnetsecurity · September 1, 2026
  • Crypto Scams 2026 — www.chainalysis.com · August 25, 2026
  • Apple impersonation scams cost S'pore users $195k in crypto losses in 2 weeks — Straitstimes · August 21, 2026

CVSS v3.1 Breakdown