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

A Microsoft 365 device code phishing campaign has been observed leveraging collaboration-themed lures to take control of victim accounts between the last week of June 2026 and into early July, per findings from ZeroBEC.

"The campaign did not depend on a fake Microsoft password page. It used a malicious collaboration-style lure to push users into the legitimate Microsoft device login experience,


This is a companion discussion topic for the original entry at https://thehackernews.com/2026/07/debull-tooling-abuses-microsoft-device.html