Microsoft Teams Flaw in Guest Chat Exposes Users to Malware Attacks_HACKREAD:81FBDE955E1DA65FD631C218216606BA

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    "description": "New research from Ontinue exposes a major security flaw in Microsoft Teams B2B Guest Access. Learn how attackers bypass all Defender for Office 365 protections with a single invite.",
    "published": "2025-11-26T16:13:27",
    "modified": "2025-11-26T16:13:27",
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    "title": "Microsoft Teams Flaw in Guest Chat Exposes Users to Malware Attacks",
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