Flowerstorm - Tool

Threat entity extracted from intelligence sources

Frequency
6
occurrences
First Seen
December 15, 2025
Last Seen
July 22, 2026

Flowerstorm is a tool tracked across 3 threat clusters and 6 intelligence report mentions on ThreatCluster. First observed December 15, 2025; most recent activity July 22, 2026.

Overview

Flowerstorm is described in the referenced 2025 phishing trends article as a phishing-focused attack tool/kit that enables scalable credential harvesting via templated email campaigns and fake login pages. It leverages social engineering and brand impersonation to increase lure effectiveness, making it significant as phishing threats grow in prevalence and sophistication in 2025.

Related Threat Clusters

Recent Intelligence Reports

  • Kratos Phaas Targets Us And Eu How To Reduce Microsoft 365 Account Takeover Risk 5696ddc8ab09 — medium.com · July 22, 2026
  • Account Compromise Surged 389% in 2025, Says eSentire — Infosecurity-Magazine · January 16, 2026
  • Phishing services drive 389% surge in account breaches — Securitybrief · January 16, 2026
  • Phishing services drive 389% surge in account breaches — Securitybrief.Co.Nz · January 16, 2026
  • Phishing services drive 389% surge in account breaches — Securitybrief.Au · January 16, 2026
  • 2025's Top Phishing Trends and What They Mean for Your Security Strategy — Bleepingcomputer · December 15, 2025

CVSS v3.1 Breakdown