We start the new month of September 2024 with a look at the final seven days of August for new entries on the Microsoft 365 Roadmap website. This time, we have new entries for Teams and Outlook users.

A newly highlighted flaw in Microsoft’s cross-tenant collaboration model shows that once a user accepts a guest invitation in Teams, their Defender for Office 365 protections are dropped entirely, ...

Microsoft Teams guest chat feature creates unprotected attack vector for malware and phishing Guests rely on host’s security, enabling malicious actors to bypass usual protections Businesses advised ...