There are lots of ways to securely transmit data -- which is a large part of the problem, there are so many ways to do it that there's no standard way that you

There are lots of ways to securely transmit data -- which is a large part of the problem, there are so many ways to do it that there's no standard way that you can count on all of your clients/customers having access to... or trusting. But everyone trusts fax since it goes over "secure" voice lines.... even though in many cases it doesn't.