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DefenderXDR

Managing Microsoft Defender XDR Custom Detection Rules at Scale

TobyG

13 Aug 2025 • 5 min read

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Sentinel-As-Code: iSOC Blueprint, the docs on a SharePoint page

The Documenter reads the live workspace every day and writes the docs itself, so nobody has to. 26.07 then turned that Markdown into a Word document for people who like their documentation with page numbers. That left the reading half. The Markdown lives in a pipeline artefact, or in

08 Oct 2026 4 min read

Sentinel-As-Code Toolkit 26.10.2

Toolkit 26.10.2 reports connector and MITRE problems in the Problems panel, keeps NRT rules as NRT when you decompile ARM templates, and validates or formats a whole folder of rules in one run. Upgrade to see connector problems in your existing rules. Before you upgrade * Fix Field Order

08 Oct 2026 2 min read

Finding Patterns: The Art of Cybersecurity

An ocean of logs. A canvas of clues. For many, cybersecurity is simply data. But perhaps it isn't all about reading logs. Perhaps it's more like standing in front of a piece of abstract art. At first, the canvas appears chaotic. Colours seem disconnected. Brushstrokes feel

26 Jul 2026 3 min read

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