Microsoft Defender for Identity vs Obsidian Security Browser Extension: side-by-side comparison (2026)

Microsoft Defender for Identity: Identity threat detection and response solution for Active Directory, built by Microsoft.

Obsidian Security Browser Extension: Browser extension for identity threat protection, anti-phishing & shadow IT detection, built by Obsidian Security.

The table above shows where their features, integrations, deployment and company size fit differ.

Microsoft Defender for Identity is made by Microsoft. Obsidian Security Browser Extension is made by Obsidian Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Microsoft Defender for Identity and Obsidian Security Browser Extension are both Identity Threat Detection and Response products. Use the table above to see where features, deployment and company size fit differ.