A lot would depend on how "access" is defined, I imagine. What I did was provide input to a publicly accessible script on their server. I didn't have to "break

A lot would depend on how "access" is defined, I imagine. What I did was provide input to a publicly accessible script on their server. I didn't have to "break in" to anything to do so, or to find out about it. So it'd hinge on whether or not using someone's website in a way they didn't intend you to counts as being "unauthorized access". Standard case of "most persuasive lawyer wins".