Too Long; Didn't Read
Used properly, <a href="https://en.wikipedia.org/wiki/Whitelist" target="_blank">whitelisting</a> is a simple and effective security tactic to minimize attack surfaces. If you’re not on the list, you don‘t get in. No exceptions. Smooth as chocolate. If it’s too easy for you to find and spoof a name on the list, use <a href="https://en.wikipedia.org/wiki/Indirection" target="_blank">indirection</a> to make it harder. Sticky as peanut butter. Together they taste great.