Is Bitwarden Safe? Security Review
5/5
Overall Safety Score
★
★
★
★
★
Verdict: Bitwarden is the most recommended password manager by security professionals. Its open-source code, independent audits, self-hosting option, and clean security track record make it the best choice for most users.
Bitwarden is an open-source password manager that has become the top recommendation from security professionals. Its transparent codebase, strong encryption, and affordable pricing make it the gold standard for password management.
Security Ratings Breakdown
| Category | Score | Rating |
|---|---|---|
| Encryption | 5/5 | |
| Privacy | 5/5 | |
| Track Record | 5/5 |
Security Features
- AES-256 encryption with PBKDF2 or Argon2 key derivation
- Fully open-source (client and server)
- Zero-knowledge encryption
- Independent security audits (Cure53, Insight Risk Consulting)
- Self-hosting option for maximum control
- Two-factor authentication (TOTP, FIDO2, email)
- Emergency access and account recovery
Privacy Concerns
- Cloud-hosted version stores encrypted vaults on Bitwarden servers (mitigated by zero-knowledge encryption)
- Account creation requires email
- Minimal concerns overall for a tool in this category
Past Security Incidents
- No major data breaches as of 2025
- 2023 researchers identified a potential autofill vulnerability in iframes (common to many password managers, quickly addressed)
How to Stay Safe Using Bitwarden
- Use a very strong master password (16+ characters)
- Enable two-factor authentication (preferably FIDO2 key)
- Use Argon2 for key derivation if available
- Consider self-hosting for maximum control
- Regularly audit your vault for weak or reused passwords
Safer Alternatives
- 1Password (excellent UX, strong security)
- KeePass (offline, fully local)
Last updated: February 10, 2026