Don't go into security with ethics.

Or you're put in Snowden's position.  Not only do I honour his actions, but he's smart as a whip as it turns out: from 'the Guardian':

the NSA has hacked civilian infrastructure such as universities, hospitals, and private businesses because it is dangerous. These nakedly, aggressively criminal acts are wrong no matter the target. Not only that, when NSA makes a technical mistake during an exploitation operation, critical systems crash.

The reality is that due to the FISA Amendments Act and its section 702 authorities, Americans’ communications are collected and viewed on a daily basis on the certification of an analyst rather than a warrant. They excuse this as "incidental" collection

Suspicionless surveillance does not become okay simply because it's only victimizing 95% of the world instead of 100%. Our founders did not write that "We hold these Truths to be self-evident, that all US Persons are created equal.

Ask yourself: if I were a Chinese spy, why wouldn't I have flown directly into Beijing? I could be living in a palace petting a phoenix by now.

I'm being called a traitor by men like former Vice President Dick Cheney... Being called a traitor by Dick Cheney is the highest honor you can give an American... If they had taught a class on how to be the kind of citizen Dick Cheney worries about, I would have finished high school. 

This disclosure provides Obama an opportunity to appeal for a return to sanity, constitutional policy, and the rule of law rather than men. He still has plenty of time to go down in history as the President who looked into the abyss and stepped back, rather than leaping forward into it.

This country is worth dying for. [May he not have to.]

Bravo Snowden.  If a child of mine joins police, military, 'security' or similar, no matter the opportunities,  I will acknowledge one child fewer.