description-logo Description

This indicates an attempt to upload files on Microsoft Teams.
Microsoft Teams File Upload detects the uploading files activities for teams and individuals.
Note: This signature requires enabling "deep-inspection" in FortiOS 5.0 and above.

affected-products-logoAffected Products

Microsoft Teams

Impact logoImpact

Network bandwidth consumption


Browser-Based, Network-Protocol, Client-Server, Peer-to-Peer, Cloud-Based, Mobile-Device


  • Reasonable

Application Dependencies

Default Ports

  • TCP/443

Version Updates

Date Version Detail
2023-06-01 23.566 Sig Added
2022-09-14 22.393 Sig Added
2020-05-07 15.839