Their databases have been un-encrypted ever since they began their business. I used to hang out with "crackers" in ~2007 and at that time the database was already available to a certain group of people. All CC's plain-text, same with passwords.
<snide> Though I'm skeptical enough of anyone still using Cold Fusion. </snide>
Not saying you should trust Linode, but that your confidence in thar rumour probably shouldn't have improved after the parent comment.