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DEBULL Tooling Abuses Microsoft Device-Code Flow to Target M365 Accounts

BACKGROUND
1 SIGNALFIRST DETECTED 7 July 2026
Narrative synthesis pending — 1 signal collected.
How the story developed
Other feeds and industry voices
17 May
Tycoon2FA hijacks Microsoft 365 accounts via device-code phishing

The Tycoon2FA phishing kit now supports device-code phishing attacks and abuses Trustifi click-tracking URLs to hijack Microsoft 365 accounts. [...]

REPORT · HOW · BleepingComputerOPEN STORY
8 Jul
Entra passkey enrollment vishing targets Microsoft 365 users

A threat actor has been targeting organizations across multiple sectors with voice-based fake security requests that ask Microsoft 365 users to enroll a new Entra passkey. [...]

REPORT · WHAT · BleepingComputerOPEN STORY
5 May
Microsoft Details Phishing Campaign Targeting 35,000 Users Across 26 Countries

Microsoft has disclosed details of a large-scale credential theft campaign that has leveraged a combination of code of conduct-themed lures and legitimate email services to direct

REPORT · WHAT · The Hacker NewsOPEN STORY
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