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New BitB Phishing Kit Targets Microsoft Accounts via Sneaky 2FA Attack

First seen 2 Dec 2025, 18:33 UTC • •

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ThreatCluster •March 12, 2026 at 13:27 UTC

A new phishing kit utilizing the BitB technique has emerged, specifically targeting Microsoft account users to steal credentials through a Sneaky 2FA attack. Security researchers have identified this evolution in Phishing-as-a-Service (PhaaS), which poses a significant risk to users' accounts. The kit exploits vulnerabilities in two-factor authentication processes to deceive users into providing sensitive information.

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