There are 2FA (Two-Factor Authentication) available in other security plugins but these have one big problem; How many does actually use that? Its very slow and quite tiresome to always get the new Auth code from your phone. A PIN is much simple (even though its less secure it raises the standard security a lot). There is also the security issue when you save a password in the browsers password manager. This plugin addresses that security concern too - as you need to know the PIN and not only the main password.
Just install - check plugin settings - enable and you are good to go.
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