description-logo Description

This indicates an attempt to access Microsoft Office 365 portals.
Microsoft Office 365 portals contain the portals and help domains used by Microsoft services.

affected-products-logoAffected Products

Microsoft Office

Impact logoImpact

Network resource consumption


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


  • Reasonable

Default Ports

  • TCP/80
  • TCP/443

Version Updates

Date Version Detail
2023-11-16 26.679 Sig Added
2022-12-06 22.452 Sig Added
2020-07-13 15.884 Sig Added
2019-05-21 14.617 Sig Added