Attic Bouncer vs Obsidian Security Browser Extension: Side-by-Side Comparison (2026)

Attic Bouncer: Microsoft 365 login protection against phishing pages and suspicious logins. built by Attic Security. Core capabilities include Real-time detection of fake Microsoft 365 login pages, Red alert screen warning on phishing pages, Authenticity seal on legitimate Microsoft 365 login pages..

Obsidian Security Browser Extension: Browser extension for identity threat protection, anti-phishing & shadow IT detection. built by Obsidian Security. Core capabilities include AiTM phishing attack detection and blocking within the browser, Shadow SaaS and shadow IT application discovery, Browser-based data loss prevention..

Both serve the Identity Threat Detection and Response market but differ in approach, feature depth, and target audience.

Attic Bouncer differentiates with Real-time detection of fake Microsoft 365 login pages, Red alert screen warning on phishing pages, Authenticity seal on legitimate Microsoft 365 login pages. Obsidian Security Browser Extension differentiates with AiTM phishing attack detection and blocking within the browser, Shadow SaaS and shadow IT application discovery, Browser-based data loss prevention.

Attic Bouncer is developed by Attic Security. Obsidian Security Browser Extension is developed by Obsidian Security. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Attic Bouncer and Obsidian Security Browser Extension serve similar Identity Threat Detection and Response use cases: both are Identity Threat Detection and Response tools, both cover Browser Security. Review the feature comparison above to determine which fits your requirements.