Signal

FBI warns of Kali365 phishing tool targeting Microsoft 365 users

Evidence first: scan the strongest sources, then decide whether to go deeper.

Published 2026-05-22 17:51 UTCUpdated 2026-05-22 20:41 UTC
rss
phishingoauthincident_responsesecurity_advisory
Trend in the last 24h
Source links open
Source links and full evidence are open here. Archive history, compare-over-time, alerts, exports, API, integrations, and workflow are paid.
No card needed for the free brief.
Evidence trail (top sources)
top sources (3 domains)domains are deduped. counts indicate coverage, not truth.
3 top sources shown
FBI warns of Kali365 phishing-as-a-service after April Microsoft 365 attacks
The Record (Recorded Future News) · News · therecord.media · 2026-05-22 20:01 UTC
FBI warns of Kali Oauth stealers
CSO Online · News · csoonline.com · 2026-05-22 17:51 UTC
Overview

The FBI has issued warnings about Kali365, a phishing-as-a-service platform that enables attackers to bypass multi-factor authentication and steal Microsoft 365 access tokens via OAuth device code phishing.

Score total
1.22
Momentum 24h
3
Posts
3
Origins
3
Source types
1
Duplicate ratio
0%
Why now
  • Kali365 phishing attacks have rapidly increased, prompting FBI warnings.
  • The tool exploits legitimate Microsoft OAuth flows, making detection harder.
  • Immediate mitigation steps can prevent widespread compromise of Microsoft 365 environments.
Why it matters
  • Kali365 enables attackers to bypass MFA, increasing risk of unauthorized Microsoft 365 access.
  • OAuth token theft can lead to data breaches, fraud, and ransomware attacks.
  • Organizations need updated security policies to defend against evolving phishing techniques.
LLM analysis
Topic mix: lowPromo risk: lowSource quality: medium
Recurring claims
  • Kali365 phishing attacks bypass multi-factor authentication by stealing Microsoft 365 OAuth access tokens.
How sources frame it
  • FBI And Cybersecurity News Sources: neutral
Consolidated multiple sources reporting on FBI warnings about Kali365 phishing tool targeting Microsoft 365 OAuth tokens.
All evidence
All evidence
FBI warns about fast-growing phishing kit targeting Microsoft 365 users
CyberScoop · cyberscoop.com · 2026-05-22 20:41 UTC
FBI warns of Kali365 phishing-as-a-service after April Microsoft 365 attacks
The Record (Recorded Future News) · therecord.media · 2026-05-22 20:01 UTC
FBI warns of Kali Oauth stealers
CSO Online · csoonline.com · 2026-05-22 17:51 UTC
Show filters & breakdown
Posts loaded: 0Publishers: 3Origin domains: 3Duplicates: -
Showing 3 / 0
Top publishers (this list)
  • CyberScoop (1)
  • The Record (Recorded Future News) (1)
  • CSO Online (1)
Top origin domains (this list)
  • cyberscoop.com (1)
  • therecord.media (1)
  • csoonline.com (1)