For anyone curious why WAFs are so useless, there is a very beginner-accessible talk by Joe McCray here: https://www.youtube.com/watch?v=qBVThFwdYTc
Would you mind to give some examples?
do you write custom rules based on your actual application? <- not a real question
Here is an article from the FTC and one about NIST guidelines.
https://www.ftc.gov/news-events/blogs/techftc/2016/03/time-r...
https://qz.com/981941/the-us-standards-office-wants-to-do-aw...
The Compliance department has one job: passing audits. They never tell Security what to do; they document "compensating controls" and if that's not good enough for an Auditor the Compliance department will run whatever worthless compliance control themselves.
I'm not saying security compliance itself is a joke. It forces small businesses to at least try to get their shit together. But for big tech companies with real security programs, security compliance is a worthless tax.