I won't go so far as to say it's good, but I will say it's inevitable that such a thing exists. Information is so portable today that leaks are easier than ever to communicate. Security practices need to keep up with these trends.
By the way, I know a woman who had the same job as that private that leaked all this info. She said that they were threatened with all kinds of punishments if they ever leaked anything, and they were continually reminded of it.
Personally, I think this is a death pentalty case if that private turns out to be guilty. It is espionage, and it needs to be dealt with harshly. This is the kind of crime where death penalty can be a deterrent, and having a recent example is not a bad idea.