Keeping your WordPress site secure is an ongoing process. It is well worth taking on considering that WordPress sites get attacked by hackers all the time. You should not wait for brute force attacks to get coverage on popular blogs before making your site and server secure.
Here’s some advice on what steps and plugins you can use to harden the security on your WordPress sites – http://www.wpjedi.com/how-to-stop-brute-force-attacks-on-wordpress
You may also be interested in:
Jim Callender is a Freelance Wordpress Developer. Living & working in Brighton. He started working with Wordpress in 2003. Since then has been responsible for delivering high profile sites for a number of large UK design & marketing agencies. His other site is www.jayonline.co.uk