An unofficial field guide to the extensibility surfaces (APIs, connectors, SDKs, PowerShell) across the Microsoft Security portfolio — Defender, Entra, Purview, Intune, Sentinel, Security Copilot, Agent 365 and SharePoint/M365.
- 354 surfaces, 101 partner scenarios, 9 product families
- Filter by product, operation (read vs. write/modify), access method, maturity and skill profile
- A cross-product Connections view showing where the portfolio genuinely overlaps
This is a personal working reference, not an official Microsoft publication, and is not endorsed by Microsoft. Portions were drafted with AI assistance and reviewed against public Microsoft Learn documentation. Vendor and product names are referenced as documented public product facts. Always verify each surface against its linked Microsoft Learn page before relying on it.