Microsoft-Sentinel
Lessons from the field. Always landing on my feet.
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 …