
Tycoon 2FA Adopts OAuth Device Code Attacks In MFA Bypass Campaign
Threat actors rarely stay down for long. Just weeks after a massive global takedown in March 2026, the notorious Tycoon 2FA Phishing-as-a-Service (PhaaS) kit has resurfaced with a dangerous new trick. Instead of stealing passwords, cybercriminals are now abusing Microsoft’s OAuth Device Authorization Grant flow to bypass Multi-Factor Authentication (MFA) entirely. Security researchers at the […]
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