Any web developer today is probably running Firefox because of some of the great add-ons they have (i.e. WebDeveloper, Colorzilla, Firebug, Hackbar, etc…). But you may also want to install some addons for security:
Security and privacy are some of the major concerns these days while choosing a web browser to use. So much so that all the major players in the “browser wars” are providing or developing a private browsing mode.
Firefox with the myraid of add-ons that it has to offer is never far from action. Here are some of the top Firefox addons that you should install for better privacy and security
Check out this article for the list of 10+ Best Firefox Addons for Security and Privacy.