Secured logins have been one of the most crucial issues pertaining to web security today. Eric Butler, a freelance web application developer showed how vulnerable current day websites are, reports Techtree. At the ToorCon security conference, Butler showed a Firefox add-on dubbed Firesheep that lets anyone scan a Wi-Fi network and steal login details of Facebook, Twitter and several other services. This is one heck of a dangerous extension that points out the security loophole in any website. Butler created Firesheep extension for Firefox with an altruistic aim to point out the negligence of popular web services that follow weaker security measures…