Facing a wave of criticism for not offering a secured browsing option, Facebook has added a new feature to browse the popular social network on a secure connection (https) Facebook is urging users to activate secure browsing via the Account Security section of the Account Settings page. The company says it hopes to offer HTTPS as a default setting sometime in the future The new feature will effectively kill tools like Firesheep which were created to highlight the weaknesses of Web sites that don t offer a secure browsing option.
Source: https://threatpost.com/facebook-kills-firesheep-new-secure-browsing-feature-012611/74883/