Air travel survived decades of terrorism, including attacks which resulted in the deaths of everyone on the plane. It survived 9/11. It'll survive the next successful attack. The only real worry is that we'll scare ourselves into making air travel so onerous that we won't fly anymore.

It's certainly easier to implement bad security and make it illegal for anyone to notice than it is to implement good security.

If you think technology can solve your security problems, then you don't understand the problems and you don't understand the technology.

There are two kinds of cryptography in this world: cryptography that will stop your kid sister from reading your files, and cryptography that will stop major governments from reading your files.

It's frustrating; terrorism is rare and largely ineffectual, yet we regularly magnify the effects of both their successes and failures by terrorizing ourselves.

Metadata equals surveillance; it's that simple.

Secret courts making secret rulings on secret laws, and companies flagrantly lying to consumers about the insecurity of their products and services, undermine the very foundations of our society.