Accepting a Teams guest invitation can drop users into an unprotected tenant, bypassing all Defender for Office 365 controls.

A new report from Ontinue is raising major concerns about how Microsoft Teams handles cross-tenant collaboration.

New child process ms-teams_modulehost.exe handles the calling stack separately to speed up Teams startup. The new process appears under ms-teams.exe in Task Manager and won't need any special setup.

In theory, a threat actor could impersonate someone, invite the victim for a Teams chat, and have them open a phishing link, ...

Microsoft says it will add a new Teams call handler beginning in January 2026 to reduce launch times and boost call ...

I have a weird relationship with apps I need to use for work. If I don’t like using them, I put very little effort into learning how to use them well. If I do like using them, then I get overly ...

Researchers found Microsoft Teams bugs letting attackers spoof executives, alter messages, and erode trust in workplace ...

The Microsoft 365 Roadmap is a very useful repository of information which outlines all the new capabilities coming to the ...

At its Ignite conference this week, Microsoft announced updates heading to Teams, its ever-evolving videoconferencing and workplace collaboration app. New avatars are available, and more details were ...