Hackers Use Trusted Microsoft Domain and One-Time Codes to Hijack Corporate Accounts

A rising phishing technique is exploiting a legitimate Microsoft authentication flow to hijack corporate accounts without stealing passwords. Attackers are weaponizing the OAuth 2.0 Device Authorization Grant commonly used to sign in input-constrained devices via a one-time user code to trick victims into approving access on Microsoft’s own domain. Because the final authentication occurs on […]

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