What is actually 'legal' during times of war, or prevention of war?

Rating: Null/10 (18 March 2017)

We watched this at home on DVD from our public library. The case of Snowden is still relatively fresh in our minds, having been fodder for news and debate just a few years ago.
Joseph Gordon-Levitt is really good as Edward Snowden, the bright hacker that was discharged from the Army after badly breaking his leg in training. Easy with computers he managed to get jobs in government agencies, or with contractors to the government.
Here he is portrayed as a very bright but rather naive man who loved his country but over the course of several years became disillusioned. He saw remote drone operators kill families with only the reaction "It is only a job." He discovered that agencies were hacking into the phone and email records of private citizens without proper warrants. Things like that eventually got him to steal many documents to expose what he considered crimes by the government.
Why didn't he just go to the authorities and be an internal whistle- blower? Because what he saw told him it would not work and in fact he would be punished instead. So he fled his country and now is holed up in Russia.
The movie raises many questions that have no easy answers. We do know for a fact that after the revelations then POTUS Obama ordered many changes in the way the USA agencies collect data. But it will be an ongoing issue, for the whole world, for many countries, what is acceptable in cyber-hacking?
Good movie.