Change wp-login.php to anything you want. It can also prevent a lot of brute force attacks.
Using this plugin you can make changes on login screen of your WordPress site.
The most advanced protection against sploggers and spam users registration, is fully WordPress, WordPress MU, BuddyPress and bbPress 2.0 compatible
Protect your dashboard without editing the .htaccess file -- the FIRST one that completely blocks remote bot login requests.
When someone gets a password wrong or uses the forgotten password form on your site, the administrator is emailed with the details that were entered.
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