Mirage2FA Surge Hits 4,500 US and EU Companies, Abusing Microsoft 365 Login Flows

Thousands of companies have been affected by the Mirage2FA campaign from 2024 to 2026. The commercial phishing-as-a-service toolkit targets Microsoft 365 accounts by abusing legitimate login flows and bypassing two-factor authentication.

According to ANY.RUN research, 48% of targeted email addresses were potentially compromised. Most of the affected companies are US-based.

Mirage2FA Campaign

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