This plugin will send an email whenever a someone tries to login via the WordPress login page.

A Wordpress Plugin that helps you find who tried to force enter your wordpress blog and what password they tried.

Limit Attempts Booster is a Wordpress plugin which provides high security and limits your Wordpress access. It also safes from Brute Force Attacks.

Design Login Page, View Login Activities, Limit Login Attempts, Restrict Login by Country and IP Address.