Teams Messaging Gains New Protections

Teams now includes weaponized file protection and malicious URL protection to make sure that people don’t share bad files or URLs in chats or channel conversations. Given that a user can post a message to up to 50 channels at one time, it obviously makes a heap of sense to check that any files or URLs that people share in chat or channel conversations are safe and not malicious.

https://office365itpros.com/2025/11/24/weaponized-file-protection-teams/