BulletProof Security

Google Authenticator for your WordPress blog.

A simplified, restored, and preserved version of the original Stop Spammers plugin.

Blackhole is a WordPress security plugin that detects and traps bad bots in a virtual black hole, where they are denied access to your entire site.

Manage multiple WordPress sites from one dashboard.

XO Security is a plugin to enhance login related security.

Easily allows you to manage WordPress user roles. You can create, edit, delete and manage capabilities, also copy existing roles.