Is Surftan Safe?

Surftan — Nerq Trust Score 52.8/100 (C- grade). Score based on 2 independent trust signals. Last analyzed: 2026-03-22

Surftan is a Firefox extension with a Nerq Trust Score of 52.8/100 (C-), based on 3 independent data dimensions. Last analyzed: 2026-03-22 Security: 90/100. Popularity: 30/100. Data sourced from addons.mozilla.org metadata, permissions analysis, and source code availability. Last updated: 2026-03-22. Machine-readable data (JSON).

Safety Guide: Surftan

What is Surftan?

Surftan is a Firefox add-on — Surf Security is a browser extension that protects you from phishing and malware websites..

How to Verify Safety

Review permissions on addons.mozilla.org. Check if source code is available.

You can also check the trust score via API: GET /v1/preflight?target=SurfTan

Key Safety Concerns for Firefox add-on

When evaluating any Firefox add-on, watch for: excessive permissions, data harvesting.

Measured Signals

Surftan has a Nerq Trust Score of 53/100 (C-). This score is a composite of automated measurements of security, maintenance, community, and quality signals.

Key Takeaways

• Surftan has a Trust Score of 53/100 (C-).
• The score is a measured composite — it is not a suitability judgment. Evaluate the individual signals against your own requirements.
• Query the current measured values via the Nerq API.

Disclaimer: Nerq trust scores are automated measurements based on publicly available signals. They are not endorsements, verdicts, or guarantees of suitability. Always evaluate the signals against your own requirements.