Here is an example for California : https://www.eff.org/fr/deeplinks/2010/07/court-violating-ter...
> the court also found that bypassing technical or code-based barriers intended to limit access to or uses of a website may violate California's computer crime law.
If you have more informations about that, I am interested
In US, sure. But agreements like EULA have been proven completely meaningless courts in different EU countries - you can break them all you like, it's definitely not illegal. The company might stop doing business with you, but you absolutely haven't broken any laws.