Facebook goes two-factor 0 By Shannon Ortiz on May 27, 2011 Security Awareness Warning: Trying to access array offset on value of type bool in /home/itsecurityblog/public_html/wp-content/themes/smart-mag/content.php on line 69 Facebook goes two-factor Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window) Share. Twitter Facebook Google+ Pinterest LinkedIn Tumblr Email