This plugin protects your admin's login page (secure key in url).
Simple and easy WordPress plugin for protecting your login form.
Plugin implements setting the security key for the login form.
Thereby significantly reducing the likelihood of automatic brute force.
The security key is transmitted manually as GET parameter for login form.
For example: http://example.com/wp-login.php?sk=my_secure_key
Warning: Be careful if sk
parameter is not specified, the login will not be possible, even if specifying the correct username and password.
protected-wp-login
folder to the /wp-content/plugins/
directoryDashboard -> Settings -> Protected wp-login
An answer to that question.