T1566.001 - Spearphishing Attachment - MITRE ATT&CK

Threat entity extracted from intelligence sources

Frequency
385
occurrences
First Seen
October 31, 2025
Last Seen
July 17, 2026

T1566.001 - Spearphishing Attachment is a mitre_attack tracked across 50 threat clusters and 385 intelligence report mentions on ThreatCluster. First observed October 31, 2025; most recent activity July 17, 2026.

Related Threat Clusters

Recent Intelligence Reports

  • Sebi cautions listed cos over 'Boss Scam' — Newindianexpress · July 17, 2026
  • Indian regulator warns of 'boss scam', a cyber fraud targeting top executives — Brecorder · July 17, 2026
  • The Ttf Trap A Global Campaign Of A Low Detection Lua Loader — www.fortinet.com · July 17, 2026
  • Indian regulator warns of 'boss scam', a cyber fraud targeting top executives — Channelnewsasia · July 17, 2026
  • Fake bosses, real losses: Sebi warns of scammers posing as CEOs in rising boss scam — Indiatoday.In · July 17, 2026
  • Fake TTF files deliver stealthy malware in global phishing campaign — Csoonline · July 17, 2026
  • 7-Zip Fixes CVE-2026-14266 Remote Code Execution Flaw in XZ Parsing — Mallory.Ai · July 17, 2026
  • Phishing Scheme Targets Massachusetts Homeowners With Fake Zoning Fee Demands — Rock929Rocks · July 16, 2026

CVSS v3.1 Breakdown