If you are the leader of a guild that has a large number of people who have account security issues, you regularly get emails from Blizzard that say the following:
The email lists what items were restored and that they are attached to an in-game email sent to your account. (You then probably insist the hacked guildie get an authenticator.) Recently, The Spousal Unit received a bit more from the GM helping him with a security incident: a zombie survival guide. The full text of the guide is after the break.