"For some reason, people in IT often seem to think the law doesn't apply to you if you act within sly nod nod, wink wink guidelines." Which UK law would that b

"For some reason, people in IT often seem to think the law doesn't apply to you if you act within sly nod nod, wink wink guidelines." Which UK law would that be? As I understand it, that's the contentious issue. That he didn't break the law.