FYI: The following problem occured on another web site:
Please be advised that on some sites, the owner and moderators may have access to your password (this is not the case on AR).
We just had a case of a Member's account being hijacked in order to post false information. He had registered on an obscure talk forum using the same username and password as on AR.
Remember, when registering on talk forum sites, use a different password for each site.