authentication - Facebook login with profile picture
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Facebook uses cookies to identify you so that when you log out, you're able to login again without a password. This feature can be disabled as follows: Settings -> Security and login -> Login using your profile picture -> Turn off profile Picture login.
-- Save turn on profile picture guard-- With that, Facebook will add a blur colour border and blue border and shield around the Profile picture-- After this, nobody will be able to download, copy, take screenshot or misuse your profile picture. Also Read: Facebook to launch Talk, a messaging app to protect teens against online bullying
Facebook uses cookies to identify you so that when you log out, you're able to login again without a password. This feature can be disabled as follows: Settings -> Security and login -> Login using your profile picture -> Turn off profile Picture login.
Main Profile Picture Login Setting. From a web browser, login to Facebook. Select the menu arrow located at the upper-right corner, then choose “Settings“. Select “Security” on the left pane. Select the “Edit” link in the “Profile Picture Login” area. Select “Turn off profile picture login” or “Turn on profile picture login” as desired.