When connecting Microsoft Sentinel to Defender XDR, there are a couple of changes happening in tables which you should be aware of. Even though they are documented in the Microsoft Learn, I it is not always clear what the exact impact is. Let's go over it together.

Microsoft announced on the 1st of July 2025 that the Microsoft Sentinel Azure Portal UI will be deprecated at the 1st of July 2026, and all requests will be redirected to the Security Portal instead. This means that all Microsoft Sentinel customers have 1 year time to transition to the Unified experience between Microsoft Sentinel and Defender XDR.

This blogpost is probably the first of a series that I will create in the coming months on Device Discovery. I regularly see organizations buy a specific tool to create an asset inventory list of what lives in their networks, while this is something we can actually do with Microsoft technology

If you are working with Microsoft security solutions, you might have heard of the new kid on the block called Microsoft Global Secure Access. Being a blue teamer myself, I asked myself how we can use this new Secure Service Edge solution - and specifically the Internet Access logs - to make our detections better.

Learn how to parse CEF message to Common Security Log without AMA agent

How can you effectively isolate a device in your network, and be sure a threat will not perform lateral movement?

Learn how Microsoft Defender for Endpoint performs network inspections with Zeek

What is Defender for Identity NNR, why is it important, and how can you resolve issues with it?

Learn how to get insights in your corporate network without having to but specific network scanning tools.

Thinking out of the box, and detecting AiTM with custom CSS