"your credit card terminal might be the gateway to your entire customer database."
That is not the way it works now. The standard is 4 levels of encryption, most have 8. Multiple sign-offs for every single code change.
Your credit card terminal is a gateway to the signtors transaction database, last transaction, balance, current transaction. Every single code path is mapped out meticulously, at least on the most popular ones, and crypto keys are not padded like the very cheap ones.
That is not the way it works now. The standard is 4 levels of encryption, most have 8. Multiple sign-offs for every single code change.
Your credit card terminal is a gateway to the signtors transaction database, last transaction, balance, current transaction. Every single code path is mapped out meticulously, at least on the most popular ones, and crypto keys are not padded like the very cheap ones.