Security researchers have discovered a critical vulnerability in Microsoft Teams that allows attackers to bypass all Defender for Office 365 protections by inviting users into malicious tenant environments. The flaw exploits a fundamental architectural gap in how Teams handles cross-tenant collaboration and guest access. The vulnerability centers on a critical misunderstanding held by most security […] The post Microsoft Teams Guest Chat Flaw Could Let Hackers Deliver Malware appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
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