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

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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,
1Key Takeaways
- 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,.
2AIWedia Score
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3Why it matters
Security headlines highlight new attack surfaces as AI gets embedded in more systems. The Hacker News reports that 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.
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