Do not forget that a traitor within our ranks, known to us, can do more harm to the enemy than a loyal man can do good to us.
If the leaks continue, we are strong as our weakest link. And I'll say it a little differently in a pun. We're strong as our weakest leak.
Every dollar needlessly spent on our military … diminishes our overall security.
The single biggest threat to our national security is our debt.
As long as some of us choose to rely on nuclear weapons, we continue to risk that these same weapons will become increasingly attractive to others.
It's dangerous when people are willing to give up their privacy.
The present trend toward Government secrecy could end in a dictatorship. The more information there is made available, the greater will be the nation’s security.
There's not a single flashlight app that's not spying on you right now.
There's been intelligence that terrorists would look to programs such as the visa waiver program to exploit.
We can not allow a terrorist state to become a nuclear power.
At the time Iran was claiming that its nuclear program was for atomic energy only.
It is amazing the information we give away. We make it easier and easier for criminals.
The issue that Mr. Trump is talking about and which, really, frankly, I expect the media should be talking about is protecting the American homeland from national security risks and terrorists.
I happen to believe that the preemption school is correct, that the risks of allowing Saddam Hussein to acquire his weapons will only grow with time.
It is the enemy whom we do not suspect who is the most dangerous.
Foreign travelers overstaying their visas to remain in the U.S. illegally represents one of the gravest national security threats to the homeland.
That was very close to getting killed. Usually at pop festivals we have people jumping on stage.
Many of our soldiers are stationed at Camp Coyote just south of the Iraqi border. This is how you know we have a strong army, when you can actually tell your enemy exactly where your camp is and what its name is.
The threat from terrorists - from extreme ideologies - needs to be challenged head-on.
The Staten Island Ferry remains a potential terrorist target.
The consequence of a world full of nuclear powers to me is so incomprehensible in terms of the dangers that that implies.
Nuclear materials are not as safe as nuclear weapons …. The nuclear materials which are received after dismantling nuclear weapons are not as secure.
Any time you're a poster child for the CIA, there are a lot of people that are - either have ideological or they are mentally unbalanced - that are going to try to find you and perhaps cause you harm.
If the Australian Government were to associate itself with the United States attack on Iraq, which was not sanctioned by the United Nations Security Council, then we'd put this country at risk.
In my experience, given how large the border is and given how many people are coming across the border, I mean, look, if a child can come across the border, and we know there's hundreds of thousands of children that have, then what makes you think that ISIS and terrorists can't?
There was a second problem that was still not a technical problem... the project became classified. I couldn't work on it after having gone to all that trouble. I was considered a security risk, so I could not get a clearance.