Earlier quoted context omitted.
The problem is that customers don't remember basically anything. I don't know my telephone banking password for any bank. When I call, I get asked to tell them what my last transaction was, or my mother's maiden name and DOB (public info), or what town I last used my card. I've been wrong about the recent usage questions more often than I've been right, and they say "close enough". The technological measures have to…
When I bought my house a couple years ago, I had to put my signature to make a big and urgent money transfer. The bank however didn't accept my signature for some reason, though I had been using it every time with them. It appeared that normally they not really check if it matches, but this time given the transfer amount they did. And it just so happened that the signature they had scanned in their system was the fir…
I believe most banks allow their customers to change their signature to something they can replicate more consistently — but it probably relies on showing up to a branch and producing sufficient ID.