This plugin allows you to effectively hide your wp-login.php and wp-admin by requiring that you access it via a custom URL of your specification, with every other request being redirected to a different URL of your specification.

Unauthorised Login Redirect

This plugin allows you to effectively hide your wp-login.php and wp-admin by requiring that you access it via a custom URL.

Tiago Anastácio

twp login is a simple to use css editor for the wp-admin/wp-login.php page of any wordpress website. 
It allows to change the page colors and logo, also its possible to redirect this page to another one, hidding this way the wp-admin and wp-login pages. 
Easy, fast and simple, customize your website login page in seconds.

Unauthorised Login Redirect vs TWP login