Security

Vault Data

All vault data is encrypted by Bitwarden before being stored anywhere. To learn how, see Encryption.

Vault data can only be decrypted using a key derived from your master password. Bitwarden is a zero knowledge encryption solution, meaning you are the only party with access to your key and the ability to decrypt the vault data. Listed below are examples of the data that is encrypted, as well as download links demonstrating the encrypted data.

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We encourage you to review our privacy policy for more information.

Vault data that is encrypted:

  • For all items:

    • Item names

    • Notes

    • Attachments

      • Attachment name

      • File contents

      • File encryption key

    • Custom field names and values

  • For logins:

    • Usernames

    • Passwords

      • Password history

    • URIs (i.e. match detection strings)

    • Authenticator keys (i.e. TOTP secrets)

  • For cards:

    • Cardholder names

    • Numbers

    • Brands

    • Expiration dates

    • Security codes

  • For identities:

    • Names (Title/First/Middle/Last)

    • Usernames

    • Companies

    • Social Security numbers, passport numbers, and license numbers

    • Emails and phones

    • Address 1, Address 2, Address 3, City / Town, State / Province, Zip / Postal code, Country

  • For Sends:

    • Send names

    • Send text

    • Send file

    • Send notes

    • Send encryption key (learn more)

  • Folder names

  • Collection names

Secrets Manager data that is encrypted:

Some data, but never vault or secrets data, is used to provide the Bitwarden service to you. This is referred to as administrative data and can be accessed by Bitwarden. Learn more.

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