One thing I don't see mention regarding the existing US ACH (or whatever interbank) system is that there is absolutely no verification or security in this system. Just like verification of paper check signature and a whole lot of other financial items - most banks allow anything until questioned. The easiest and cost effective way is to let it happen and reimburse for failures. 1. I have linked a non-joint account in…
Regarding #3: In general - from my time working at a phone company call center some years back - it is a much better indicator of security to ask folks to verify some account information than to try to say someone is doing something fraudulent by judging whether or not the sound of their voice matches what I think it should sound like based on their name. Verifying information tends to mean that the person has permis…
I'm not saying that it can be used as a tip-off for extra verification but the real solution is to use a strong authenticator in the first place and not worry about these "softer" details.