Sentinel

Microsoft 365 Defender and Sentinel provide an IdentityInfo table that contains various information that is helpful for threat hunting and detections. One key piece are also the assigned Entra directory roles for a specific identity. Unfortunately only permanently assigned permissions are covered and in times of Entra Privileged Identity Management (PIM) we should have standing permissions only for non-privileged roles and break-glass accounts. Within this blog post I want to share a few tips and tricks to answer the following questions with Sentinel and a little bit of scripting and KQL:...

Microsoft Sentinel Analytic Rules can be shared in both the YAML and ARM format, whereas the ARM format leverages JSON as file type. Within… Microsoft Sentinel Analytic Rules can be shared in both the YAML and ARM format, whereas the ARM format leverages JSON as file type. Within this short post I want to demonstrate an approach that leverages a GitHub Action to automatically build and update the rules in YAML format — so you can just export and update existing rules without any manual conversion effort....

Intune Endpoint Security Configuration Settings have become the way to go for configuring security features on various platforms. What did start with Microsoft Defender for Endpoint settings for Windows clients has evolved to settings for macOS, Windows Servers and is treated like a first class citizen. So it is important to guard those sensitive configurations as they control (and can potentially disable) vital security features on endpoints such as defender tamper protection, attack surface reduction rules, firewall and many more....