Full disclosure...I have some coding and software QA experience...learning more each day. However below is a quote from (circa 1986?) Magnum PI, episode "Computer Date", for discussion purposes after reading the quote how secure are our software based systems? Certainly they are much more capable, and complex, yet the question remains
..."your entire computer coding system is vulnerable to outside interdiction,...Yes I know but my investigation indicates that it is technically possible for someone to enter their own program into the accounting computer and rip the company off..." Magnum PI CBS
..."your entire computer coding system is vulnerable to outside interdiction,...Yes I know but my investigation indicates that it is technically possible for someone to enter their own program into the accounting computer and rip the company off..." Magnum PI CBS