I think you might be worrying too much about this...as I just replied to the same thread in another part of the forum...
You shouldn't have such fears about AS, I'm sure they do all they can to protect our accounts. This is a business they are running, and when people want a successful business, they do ALL they can to take care of their clients/customers. They know they have to have a good rep, and do all they can to satisfy people. I have never heard any complaints about account info being stolen while using AS...so I highly doubt the info you received about this is liable.
*~samuraiblossom~*