Is Surfshark Vpn Extension Safe?
Surfshark Vpn Extension is a Firefox add-on with a Nerq Trust Score of 55.0/100 (C). It is below the recommended threshold of 70. Security: 90/100. Popularity: 45/100. Data sourced from addons.mozilla.org metadata, permissions analysis, and source code availability. Last updated: 2026-03-24. Machine-readable data (JSON).
Is Surfshark Vpn Extension safe?
CAUTION — Surfshark Vpn Extension has a Nerq Trust Score of 55.0/100 (C). It has moderate trust signals but shows some areas of concern that warrant attention. Suitable for development use — review security and maintenance signals before production deployment.
Trust Score Breakdown
Key Findings
Details
| Author | Surfshark |
| Category | firefox |
| Source | N/A |
Surfshark Vpn Extension Across Platforms
Same developer/company in other registries:
Safety Guide: Surfshark Vpn Extension
What is Surfshark Vpn Extension?
Surfshark Vpn Extension is a Firefox add-on — Browse the web safely with secure, private internet access for the Firefox browser extension..
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=Surfshark VPN Extension
Key Safety Concerns for Firefox add-ons
When evaluating any Firefox add-on, watch for: excessive permissions, data harvesting.
Trust Assessment
Surfshark Vpn Extension has a Nerq Trust Score of 55/100 (C) and has not yet reached Nerq trust threshold (70+). This score is based on automated analysis of security, maintenance, community, and quality signals.
Key Takeaways
- Surfshark Vpn Extension has a Trust Score of 55/100 (C).
- Review carefully before use — below trust threshold.
- Always verify independently using the Nerq API.
Detailed Score Analysis
| Dimension | Score |
|---|---|
| Security | 90/100 |
| Privacy | 90/100 |
| Reliability | 50/100 |
| Transparency | 60/100 |
| Maintenance | 60/100 |
Based on 5 dimensions. Data from addons.mozilla.org metadata, permissions analysis, and source code availability.
What data does Surfshark Vpn Extension collect?
Surfshark Vpn Extension has a privacy score of 90/100. Review the documentation and privacy policy for data handling details.
Full analysis: Surfshark Vpn Extension Privacy Report · Privacy review
Is Surfshark Vpn Extension secure?
Security score: 90/100. This meets the recommended security threshold for production use.
Nerq monitors this entity against NVD, OSV.dev, and registry-specific vulnerability databases for ongoing security assessment.
Full analysis: Surfshark Vpn Extension Security Report
Surfshark Vpn Extension across platforms
Same developer/company in other registries:
How we calculated this score
Surfshark Vpn Extension's trust score of 55.0/100 (C) is computed from addons.mozilla.org metadata, permissions analysis, and source code availability. The score reflects 5 independent dimensions: security (90/100), privacy (90/100), reliability (50/100), transparency (60/100), maintenance (60/100). Each dimension is weighted equally to produce the composite trust score.
Nerq analyzes over 1.8 million software entities across 18 registries using the same methodology, enabling direct cross-entity comparison. Scores are updated continuously as new data becomes available.
This page was last reviewed on March 24, 2026. Data version: 1.0.
Full methodology documentation · Machine-readable data (JSON API)
Frequently Asked Questions
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Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.