Is your SIEM dashboard telling the full story, or are you operating with massive blind spots in your Microsoft 365 environment? Many security teams assume that a green light on their Sentinel or Splunk connector means they are fully protected, but the reality is that critical audit logs are often missing by default.

In this video, we dive deep into why standard M365 integrations fail to capture the events that matter most during an incident investigation. We explore the specific gaps in Exchange, SharePoint, and Teams logging that leave organizations vulnerable, even when they think they are compliant. You will learn about the significant cost implications of moving to advanced auditing, including the jump to E5 licensing and the surge in SIEM ingestion fees that can catch finance teams off guard.

We also provide a technical roadmap for building a more resilient logging pipeline. From managing API throttling and Azure Event Hubs to mastering log parsing and normalization, we cover the essential steps to ensure your data is actually usable for your analysts. Finally, we discuss how to move beyond basic compliance by creating custom correlation rules that spot sophisticated attacks like Power Platform misuse and subtle mailbox forwarding rules.

Chapters
0:00 Why your SIEM misses M365 activity
3:15 The limits of default connectors
5:45 Licensing and the hidden cost of logs
8:20 Strategic filtering to save on storage
11:30 Building a resilient logging pipeline
14:45 Solving parsing and schema problems
18:00 Creating custom detection rules
21:15 Ongoing maintenance for your SIEM
22:56 Closing thoughts and next steps

If you want to move beyond check the box compliance and start making data-driven security decisions, make sure to subscribe for more technical deep dives. Drop a comment below with your biggest challenge when it comes to Microsoft 365 monitoring and let us tackle it together.

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