Secure Login is a Firefox extension which similar to Opera’s Wand login. It use the built-in password manager and provide extra security features for users.
If you have multiple accounts on the same URL, Secure Login will let you choose which account you want to use. You also have the option to play a sound when login data found on the current page. The screenshot below shows Firefox highlighted the username and password fields when Secure Login found login information:
If you use Firefox password manager very often and would like to protect your login information, i would recommend you in install this plugin.