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'SessionShark' ToolKit Evades Microsoft Office 365 MFA

ID: 3e8009cc-57db-522a-b0d2-ce3fd235c52c

STIX ID: report--3e8009cc-57db-522a-b0d2-ce3fd235c52c

Feed Name: Dark Reading

Threat Score
72/100

Date Published: 2025-04-24

Date Updated: 2026-04-21

Author: Kristina Beek, Associate Editor, Dark Reading

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Security researchers identified "SessionShark 0365 2FA/MFA," a phishing-as-a-service (PhaaS) toolkit that uses an adversary-in-the-middle approach to steal Office 365 session cookies and bypass MFA; the kit advertises anti-detection features, Cloudflare compatibility, and customer support, and is marketed on cybercrime forums under a thin veneer of "ethical" or "educational" use.

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