Is Proton Pass Safe?
Proton Pass — Nerq Trust Score 63.8/100 (C+ grade). Score based on 2 independent trust signals. Last analyzed: 2026-04-01
Proton Pass is a password manager with a Nerq Trust Score of 63.8/100 (C+), based on 3 independent data dimensions. Last analyzed: 2026-04-01 Security: 90/100. Popularity: 90/100. Data sourced from multiple public sources including package registries, GitHub, NVD, OSV.dev, and OpenSSF Scorecard. Last updated: 2026-04-01. Machine-readable data (JSON).
Is Proton Pass safe?
Trust Score Breakdown — Proton Pass has a Nerq Trust Score of 63.8/100 (C+). Measured across 2 independent trust signals (as of 2026-04-01).
What is Proton Pass's trust score?
Proton Pass has a Nerq Trust Score of 63.8/100, earning a C+ grade. This score is based on 2 independently measured dimensions including security, maintenance, and community adoption.
What are the key security findings for Proton Pass?
Proton Pass's strongest signal is security at 90/100. No known vulnerabilities have been detected.
What is Proton Pass and who maintains it?
| Author | Unknown |
| Category | Password Managers |
| Stars | 1,500 |
| Source | N/A |
Security Assessment
Breach History
Proton Pass has no known data breaches and has been independently audited.
Encryption
Proton Pass uses AES-256-GCM (authenticated encryption), Argon2 (key derivation), SRP (zero-knowledge authentication).
Zero-Knowledge Architecture
Proton Pass uses a zero-knowledge architecture — your master password and vault data are encrypted locally and never sent to the server in plaintext.
Open Source
Proton Pass is open source with 1,500 GitHub stars.
Based in Switzerland. Independently audited.
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Safety Guide: Proton Pass
What is Proton Pass?
Proton Pass is a password manager — Proton Pass by Proton AG, Geneva, Switzerland. Protected by Swiss privacy laws. Open source on GitHub. End-to-end encryption with bcrypt and SRP. Integrated with Proton ecosystem (ProtonMail, ProtonVP.
How to Verify Safety
Check breach history. Verify encryption standard. Review independent audit status.
You can also check the trust score via API: GET /v1/preflight?target=Proton Pass
Key Safety Concerns for password manager
When evaluating any password manager, watch for: breach history, encryption standard, audit status, jurisdiction.
Measured Signals
Proton Pass has a Nerq Trust Score of 64/100 (C+). This score is a composite of automated measurements of security, maintenance, community, and quality signals.
Key Takeaways
- Proton Pass has a Trust Score of 64/100 (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.
Frequently Asked Questions
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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.