This article is a case in point for why international negotiations have to take place in order to secure cyberspace.
Of course, there can be economic carrot and sticks associated with a country abiding by U.S. cyber-law. That is, if you obey the U.S. cyber-law then you will have access to advanced technology, if not, then you will be sanctioned. That is the black and white view at least.
It has been suggested that more cybersecurity laws here will help with computer security. Thompson and I agreed on a view about that. It's a waste of time to pass laws in the US that can't or won't be enforced in Russia or China.