> ## Documentation Index
> Fetch the complete documentation index at: https://support.locker.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Is Locker a Safe Place to Store My Passwords?

> Locker uses AES-256 end-to-end encryption and a Zero-Knowledge model to keep your data absolutely secure.

**Yes.** Locker is designed with the highest security standards to ensure your data is always safe.

## Locker's security layers

* **AES-256-CBC encryption:** The encryption standard trusted by military and government organizations.
* **Zero-Knowledge Encryption:** Data is encrypted on your device before being sent to the server. Not even the Locker team can read your data.
* **PBKDF2-HMAC-SHA256:** Encryption keys are derived from your Master Password through a strong hashing function, protecting against brute-force attacks.
* **RSA Encryption:** Used when sharing data between Locker accounts.

## Comparison with traditional storage

|                | Locker      | Notes / Messages |
| -------------- | ----------- | ---------------- |
| Encryption     | AES-256-CBC | None or basic    |
| Zero-Knowledge | Yes         | No               |
| Autofill       | Yes         | No               |
| Breach alerts  | Yes         | No               |