microsoft-sentinel
Lessons from the field. Always landing on my feet.
AKS Runtime Security: Binary Drift, Anti-Malware & Gated Deployment with Defender for Cloud
In December, I published a post on securing the container supply chain — SBOM generation, image signing, and build provenance with GitHub Actions. That covered build-time security: making sure the image you ship is the image you built. But what …
Detecting OAuth Redirect Abuse with Microsoft Sentinel and Entra ID
On March 2, 2026, Microsoft published an advisory on OAuth redirection abuse enabling phishing and malware delivery. Microsoft described phishing-led campaigns where attackers register OAuth apps with attacker-controlled redirect URIs, then send …
The February 2026 Microsoft Sentinel Drop: UEBA Essentials, Copilot Connector, and 9 New GA Connectors
February 2026 brought one of the more substantial Sentinel drops in recent memory. UEBA Essentials hit v3.0.6 with a refined workbook and more than 30 hunting queries (including multi-cloud detections shipped in earlier releases), the M365 Copilot …
Sentinel MCP Server: Securing Your SOC's New AI Attack Surface
In September 2025, Microsoft announced the Sentinel MCP Server, a Model Context Protocol implementation that lets MCP-compatible AI assistants query your Sentinel data using natural language. Microsoft highlights GitHub Copilot, Copilot Studio, and …