Microsoft Certification
Microsoft Learn – Certification Poster
Security Sites
Microsoft.com – Article on responding to an Email Compromise
Reddit – Patch Tuesday Megathread – June 2025
VirusTotal.com – Great site for checking URLS before unblocking in web filtering or releasing emails.
TroubleShooting
Microsoft Remote Connectivity Analyser – Tools to help you to troubleshoot email and other connectivity issues
Microsoft 365 Portals
Microsoft 365 has multiple portals, some of which I can’t find when I need them most so will include below
Microsoft Defender Email Quarantine – Microsoft Defender Quarantine
Microsoft Purview – (Previously Microsoft Compliance Portal)
O365 Web Filtering Reports – If you’re using Microsoft Defender Web Filtering, you can access the reports portal here
Microsoft 365 Least Priviledge List. – As administrators we all know we should only give admins access to what they need, and not just global admin all around. Here is a Microsoft maintained list of least priviledged roles and permissions
Other Sites
Microsoft Email Header Analyzer
Microsoft 365 Licensing Matrix
Microsofts list of Sensitive label types for DLP (Purview)
Microsoft Intune InDevelopment Page
Microsoft 365 MessageCenter – Here Microsoft will alert you to updates rolling out which affect your tenant.
Microsoft Intune – Public Preview