>Back-testing is also incredibly valuable: We have repositories of every conversation or transaction we've ever exchanged with the banking networks, and when making changes to parsers or interpreters, we can compare their output against the old version on all of that historical data.
Are you referring to test data or actual live transaction data? The latter would seem like a huge liability and target for hackers.
Are you referring to test data or actual live transaction data? The latter would seem like a huge liability and target for hackers.