#1 - Aug. 15, 2012, 11 p.m.
The following instructions are intended for players on North American servers only. As a precaution following our recent security update, players on North American servers please take a moment to visit Battle.net account management, where you will be prompted to change your security question as well as update your Mobile Authenticator. There you’ll also find helpful tips and an FAQ, as well as instructions on how to add additional layers of security to your account, including the Battle.net Authenticator or the Mobile Authenticator for those that aren’t already using one. Note that only players on North American servers will receive the prompt to change their security question.