Fun article! I'd add that malware packers are a good example of an obscurity layer that's typically effective in practice. But food for thought: in the general

Fun article! I'd add that malware packers are a good example of an obscurity layer that's typically effective in practice. But food for thought: in the general case you can't reliability predict the efficacy of an obscurity mechanism, so you never know if it's an actual layer of defense or a placebo.