Two problems with that - knowing about all of your holes, and whether or not they are plugged, is impossible. Second, many breaches don’t even involve holes in

Two problems with that - knowing about all of your holes, and whether or not they are plugged, is impossible. Second, many breaches don’t even involve holes in your web app stack. Low tech attacks like phishing and malicious attachments are remarkably effective to get a foothold into a network.