How to secure multi-author wordpress blog
Secure wordpress is a wordpress plugin, it increases the security of your multi-author wordpress blog.
Some of its feature are
Removes error messages on login-page.
Removes the wordpress version except in admin.
Removes wordpress version in admin area for non-admins
Adds index.php plugin-directory (virtual)
Removes Really Simple Discovery link in wp_head of the frontend.
Removes Windows Live Writer.
Removes core update for non-admins.
Removes plugin update for non-admins.
Removes theme update non-admins.
Removes version on urls from scripts and stylesheets onyl on frontend
Block bad queries