Bitwarden has introduced a feature that allows Windows 11 users to log in using passkeys stored in their vaults, enhancing security by enabling phishing-resistant authentication at the operating system's login screen. Users can authenticate by scanning a QR code displayed on the Windows screen with the Bitwarden app on their mobile device, which verifies access to the stored passkey. This feature requires the Windows device to be joined to Microsoft Entra ID and for the organization to enable FIDO2 security key sign-in. Users must also register a passkey for their Entra ID profile stored in Bitwarden. The integration aims to improve security against cyber attacks targeting operating system authentication. Microsoft plans to roll out this passkey-based Windows login feature in March, depending on the organization's Microsoft Entra ID configuration, and it will be available across all Bitwarden plans, including the free tier.