Few Security Plugins for WordPress

Very less number of posts has been written for wordpress security. I was looking for making my wordpress installation more secure and found very little for WordPress security compared to other stuff on net.
I have tried "AskApache Password Protect" few days back, but it failed for some reason. I will check it again. I need to delete the .htaccess file created by it from wp-admin to remove its bad effect caused by failure.

    Smartbloggerz has selected few important WordPress security plugin which can be for those who are looking for useful plugin for security.
  • Stealth Login
  • WP Security Scan - Looks for week point in your installation.
  • AskApache Password Protect - Full of security features, but I need to try it again on my installation.
  • WordPress Exploit Scanner
  • Login LockDown
  • Secure WordPress
  • Admin SSL
  • AntiVirus
  • WordPress Firewall
  • One Time Passwords
  • Semisecure Login Reimagined
  • WP DBManager
  • Invisible Defender
  • WordPress File Monitor

Smartbloggerz has also given their valuable input on each plugin and what they do for WordPress security.