Is Lastpass Password Manager Safe?
Lastpass Password Manager — Nerq Trust Score 55.0/100 (C grade). Score based on 2 independent trust signals. Last analyzed: 2026-04-12
Lastpass Password Manager is a Firefox extension with a Nerq Trust Score of 55.0/100 (C), based on 3 independent data dimensions. Last analyzed: 2026-04-12 Security: 90/100. Popularity: 45/100. Data sourced from addons.mozilla.org metadata, permissions analysis, and source code availability. Last updated: 2026-04-12. Machine-readable data (JSON).
Is Lastpass Password Manager safe?
Trust Score Breakdown — Lastpass Password Manager has a Nerq Trust Score of 55.0/100 (C). Measured across 2 independent trust signals (as of 2026-04-12).
What is Lastpass Password Manager's trust score?
Lastpass Password Manager has a Nerq Trust Score of 55.0/100, 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 Lastpass Password Manager?
Lastpass Password Manager's strongest signal is security at 90/100. No known vulnerabilities have been detected.
What is Lastpass Password Manager and who maintains it?
| Author | LastPass |
| Category | Firefox Add-ons |
| Source | N/A |
Lastpass Password Manager Across Platforms
Same developer/company in other registries:
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Safety Guide: Lastpass Password Manager
What is Lastpass Password Manager?
Lastpass Password Manager is a Firefox add-on — LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device..
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=LastPass Password Manager
Key Safety Concerns for Firefox add-on
When evaluating any Firefox add-on, watch for: excessive permissions, data harvesting.
Measured Signals
Lastpass Password Manager has a Nerq Trust Score of 55/100 (C). This score is a composite of automated measurements of security, maintenance, community, and quality signals.
Key Takeaways
- Lastpass Password Manager has a Trust Score of 55/100 (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.
Detailed Score Analysis
| Dimension | Score |
|---|---|
| Security | 90/100 |
| Maintenance | 50/100 |
| Popularity | 45/100 |
| Quality | 40/100 |
| Community | 35/100 |
Based on 5 dimensions. Data from addons.mozilla.org metadata, permissions analysis, and source code availability.
What data does Lastpass Password Manager collect?
Lastpass Password Manager has a privacy score of 90/100. Review the documentation and privacy policy for data handling details.
Full analysis: Lastpass Password Manager Privacy Report · Privacy review
Is Lastpass Password Manager secure?
Security score: 90/100 (0-100, higher = fewer measured security issues).
Nerq monitors this entity against NVD, OSV.dev, and registry-specific vulnerability databases for ongoing security assessment.
Full analysis: Lastpass Password Manager Security Report
Lastpass Password Manager Across Platforms
Same developer/company in other registries:
How we calculated this score
Lastpass Password Manager'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), maintenance (50/100), popularity (45/100), quality (40/100), community (35/100). Each dimension is weighted equally to produce the composite trust score.
Nerq analyzes over 7.5 million entities across 26 registries using the same methodology, enabling direct cross-entity comparison. Scores are updated continuously as new data becomes available.
Signals last measured on April 12, 2026. Data version: 1.0.
Full methodology documentation · Machine-readable data (JSON API)
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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.