Microsoft Teams will let admins block custom file extensions
Summary
Microsoft Teams is introducing a new feature that will allow administrators to block custom file extensions. This enhancement aims to improve security by enabling companies to tailor their file transfer policies and mitigate risks associated with specific file types.
IFF Assessment
This feature provides administrators with greater control over file transfers within Microsoft Teams, enhancing their ability to enforce security policies and prevent the spread of malicious files.
Defender Context
This update allows organizations to proactively block potentially risky file extensions in Microsoft Teams, adding another layer of defense against malware delivered via file shares. Defenders should review and configure these new policies to align with their organization's specific threat model and acceptable use policies.