this post was submitted on 30 Aug 2024
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Programming
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There are competing interests here: normal consumers and script kiddies. If I build an API that follows good design, RFCs, pretty specs, all of that, my normal users have a very good time. Since script kiddies brute force off examples from those areas, so do they. If I return 200s for everything without a response body unless authenticated and doing something legit, I can defeat a huge majority of script kiddies (really leaving denial of service). When I worked in video games and healthcare, this was a very good idea to do because an educated API consumer and a sufficiently advanced attacker both have no trouble while the very small amount of gate keeping locks out a ton of annoying traffic. Outside of these high traffic domains, normal design is usually fine unless you catch someone’s attention.
Security through obscurity isn't security.
That’s true! It also seems like you might not have experience dealing with attacks at scale? Defense in depth involves using everything. If I can reduce incoming junk traffic by 80% by masking returns, I have achieved quite a lot for very little. Don’t forget the A in the CIA triad.