You asked, we delivered! You can now set an extra password for Proton Pass in addition to your Proton account password, allowing for better compartmentalization and peace of mind.

Be sure to store your extra password securely. Rolling out now and available for everyone in the coming days: https://proton.me/support/pass-extra-password

How to secure Proton Pass with an extra password | Proton

All Proton Accounts are secured using strong, robust encryption, but for more peace of mind, you can secure Proton Pass with an extra password.

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@protonprivacy I agree with some of the other respondents here. From a security perspective you ideally want completely different login credentials for Proton Pass than the rest of the Proton suite. You should even be able to use a different username/email. Call me stupid, but what you've done now doesn't make sense at all.