For context, the US has arrested people who have never set foot in the US and held no assets in the US ... for breaking US law. So when it comes to "the internet" nowadays I assume I have to comply with all major countries' law, not just my own (USA). Or at least it could be helpful to know other countries laws (EU) as they compare to my own (USA).

> In the US there is no law for this.

If the FBI seized the website, I would be led to assume there's probably at least one law covering it.

> The data still belongs to the user

If I'm one of the affected users, can I see what of my data was leaked? Wouldn't I have to download the leaked data to do that? Would that be legal to download? Would it be legal for someone else to provide my own leaked data to me?

> the people that hold it should only ever be doing so with permission.

This would make http://haveibeenpwned.com/ and Google Chrome's password checker illegal -- and probably 90% of security researchers would be outlaws. That seems like an untenable policy position.