If someone steals your password, you can change it. But if someone steals your thumbprint, you can't get a new thumb. The failure modes are very different.

Surveillance is the business model of the Internet.

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.

If you ask amateurs to act as front-line security personnel, you shouldn't be surprised when you get amateur security.

ID can be hijacked, and cards can be faked. All of the 9/11 terrorists had fake IDs, yet they still got on the planes. If the British national ID card can't be faked, it will be the first on the planet.

Terrorism is a crime against the mind. We win by refusing fear.

The more technological a society is, the greater the security gap is.