Important security alert: Microsoft SharePoint servers

July 22, 2025 - Defence Stories

Estimated read time – 0:45

On July 20, the Canadian Centre for Cyber Security (CCCS) issued an alert about a serious security issue affecting Microsoft SharePoint servers. Microsoft has released emergency guidance to reduce risk while they work on a permanent security update. In the meantime, they have provided temporary steps to help limit exposure until a full fix is available.

Why are we telling you this?

We want everyone to stay informed. Most staff do not need to take any action. Our IT teams are actively applying the recommended measures to keep our systems and information secure.

What you need to do

No action is required on your part at this time—our IT teams are managing it.
Do not share internal system details outside the organization or on social media.

Thank you for helping us keep our systems safe.

Page details

Date modified: