Mozilla has disabled and added to a block list a Firefox add-on that stole log-in details, when users surf Web sites, The software called Mozilla Sniffer,which can be available on addons.mozilla.org.

the blocklist will warn the add-on to be uninstalled for pc running the application. users who using it should create new password.mozilla sniffer take hold of login data and forward it to a remote server that looks to be down.

mozilla was not the developer of the mozilla sniffer, unrated add-ons are scanned for viruses, trojans and other malware, but some malicious actions can only be discover by reviewing the code, mozilla stared working on deploying a new security pattern for add-on that will require to be code-examine before they are seen in the site.