This is a guardian article about revenge porn. The scale of it is crazy.
I have 3 teen girls and it doesn't matter how often you say no photos / live nudes they will still do them.
https://www.theguardian.com/world/2022/jan/06/i-have-moments-of-shame-i-cant-control-the-lives-ruined-by-explicit-collector-culture?CMP=ShareiOSAppp_Other
I think the only tool we have is awareness. Some of the threads on here with partners surreptitiously filming show a worrying naivety and a willingness to bury heads in the sand.