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Learn more about this Firefox anti-snooping feature designed to protect your logins and passwords from unauthorized access.

{for not fx127} {note}'''To use this feature, make sure to [[Update Firefox to the latest release|update]] Firefox to [[Find what version of Firefox you are using|version]] 127 or later, or use Nightly for earlier versions.'''<!-- https://bugzilla.mozilla.org/show_bug.cgi?id=1641473 -->{/note} {/for} {for linux} {note}This article applies to Firefox desktop on macOS and Windows.{/note} {/for} On macOS and Windows, you may be prompted to enter your operating system password (or authenticate using your fingerprint, face or voice login if enabled) when accessing your stored passwords in the [[Password Manager - Remember, delete and edit logins and passwords in Firefox|Firefox Password Manager]] ''about:logins'' page. This is an anti-snooping feature designed to protect your logins from unauthorized access. {note}'''Note:''' This feature is disabled if you are using a [[Use a Primary Password to protect stored logins and passwords|Primary Password]].{/note} #When you or anyone attempts to use the {button Edit}, {button Copy} or the Reveal button (represented by the “eye” icon), they will be prompted to enter your operating system password or authenticate using voice, face camera or fingerprint login (when enabled) before they can access or edit your logins. #If you've successfully entered your operating system password, the prompt will not be shown until you reload the page or after five minutes pass. *'''Example Windows prompt:''' This is an example of the prompt that is displayed on Windows. The dialog has options to authenticate using a password or other authentication methods such as PIN. The “More choices” link may need to be clicked on to reveal alternate authentication methods. The username used for authentication must match the currently signed in operating system user. [[Image:Fx127OSauthenticationPrompt|width=400]] *'''Example macOS prompt:''' This is an example of the prompt that is displayed on macOS. Authentication is available using Touch ID or a password. [[Image:Password authentication macOS|width=300]] =Enable or disable OS authentication= You can enable or disable OS authentication for passwords in Firefox settings, as follows: #[[Template:optionspreferences]] #Click {menu Privacy & Security} on the left. #Go down to the ''Passwords'' section, and select or deselect the option '''Require device sign in to fill and manage passwords'''. #;[[Image:Fx127settings-Passwords-RequireDeviceSign-in]] =What if I don't have an OS password?= *'''Windows:''' If you aren't using a Windows password, you will not be prompted to enter it. *'''macOS:''' If you don't have a password, click the {button OK} twice to continue. '''Note:''' This is a known issue and will be fixed in a future update. {note}This feature is only supported on Windows and macOS 10.12+. It is not designed to protect against sophisticated attackers who have local access to your computer. <!-- See https://bugzilla.mozilla.org/show_bug.cgi?id=1194529 and related discussion, https://support.mozilla.org/en-US/kb/password-manager-remember-delete-edit-logins/discuss/8524 -->{/note}