Microsoft 365 Services Degradation
Resolved
Microsoft has resolved the issue.
Update
Microsoft has identified the issue and is applying a fix.
Investigating
Microsoft is reporting a degradation in some M365 services, including Exchange Online, Microsoft Purview, and Microsoft Defender. Microsoft will publish updates to X at https://x.com/MSFT365Status/status/2014422298506285161?ref_src=twsrc%5Egoogle%7Ctwcamp%5Eserp%7Ctwgr%5Etweet.