Login errors in WordPress can be used by hackers to guess whether they entered wrong username or password.
Plugin Tag: password
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WP jCryption Security
Prevents forms data against sniffing network traffic through encryption provided by jCryption javascript library.
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p5 : Plenty of Perishable Passwords for Protected Posts
Specify multiple passwords for pages / posts / custom post types. An expiration date can be set for each password.
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Prevent Password Reuse
This plugin keeps records of your users hashed passwords in order to prevent them from reusing their current or a previous password
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Master Post Password
Define a master post password that works for all passworded posts, while permitting the original post passwords to also work.
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Onscreen Keyboard
This plugin adds an onscreen keyboard powered by Javascript/JQuery to your page on demand.
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Password only login
Log into the site using just your password. Restricted to specific users selected via the wordpress backend.

