The Burger King account was hacked on the U.S. holiday honoring her presidents. It appears to have been done more for the lulz than to cause any lasting harm. Many brands are using tools to allow multiple people to post to a Twitter feed without disclosing the password for the login. This is another example of why Twitter needs to introduce two factor authentication as soon as possible, as well as introducing two-factor authentication to Twitter users. It could also be from having too many cooks in the Twitter kitchen.”]
Source: https://nakedsecurity.sophos.com/2013/02/18/burger-king-dethroned-in-presidents-day-twitter-hack/