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

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..

Surface Security Browser Extension: A security platform that monitors identity, data, and actions in the browser. built by Surface Security. Core capabilities include AitM phishing detection using DOM analysis, OCR, perceptual hashing, and brand intent classification (Surface Vision), Shadow Sessions: multi-plane deception to detect stolen session tokens and cookies at replay, Agentic AI security with prompt injection detection, origin-pinned credentials, and action-level governance..

Both serve the Secure Enterprise Browsers market but differ in approach, feature depth, and target audience.

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. Surface Security Browser Extension differentiates with AitM phishing detection using DOM analysis, OCR, perceptual hashing, and brand intent classification (Surface Vision), Shadow Sessions: multi-plane deception to detect stolen session tokens and cookies at replay, Agentic AI security with prompt injection detection, origin-pinned credentials, and action-level governance.

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

Obsidian Security Browser Extension and Surface Security Browser Extension serve similar Secure Enterprise Browsers use cases: both are Secure Enterprise Browsers tools, both cover Browser Security. Review the feature comparison above to determine which fits your requirements.