Over 80,000 Microsoft Entra ID Accounts Targeted Using Open-Source TeamFiltration Tool

Cybersecurity researchers have uncovered a new account takeover (ATO) campaign that leverages an open-source penetration testing framework called TeamFiltration to breach Microsoft Entra ID (formerly Azure Active Directory) user accounts. The activity, codenamed UNK_SneakyStrike by Proofpoint, has affected over 80,000 targeted user accounts across hundreds of organizations' cloud tenants since a

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