Accepting a Teams guest invitation can drop users into an unprotected tenant, bypassing all Defender for Office 365 controls.
To safeguard against this line of attack, organizations are recommended to restrict B2B collaboration settings to only allow ...
In theory, a threat actor could impersonate someone, invite the victim for a Teams chat, and have them open a phishing link, ...
A new report from Ontinue is raising major concerns about how Microsoft Teams handles cross-tenant collaboration.
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