It looks like they were not hacked exactly. They just left some backups in the open:
<a href="http://www.google.com/search?q=site:videogamesplus.ca+inurl:customers" rel="nofollow">http://www.google.com/search?q=site:videogamesplus.ca+inurl:...</a><p>Edit: wow, it was not only the customer database. It was <i>everything</i>:
<a href="http://www.google.com/search?q=qbsm_export+filetype:sql" rel="nofollow">http://www.google.com/search?q=qbsm_export+filetype:sql</a>