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Schneier on Security by Bruce Schneier

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Chapter 5. ID Cards and Security

National ID Cards

Originally published in Minneapolis Star Tribune, 1 April 2004

A s a security technologist, I regularly encounter people who say the United States should adopt a national ID card. How could such a program not make us more secure, they ask?

The suggestion, when it's made by a thoughtful civic-minded person like Nicholas Kristof in The New York Times, often takes on a tone that is regretful and ambivalent: Yes, indeed, the card would be a minor invasion of our privacy, and undoubtedly it would add to the growing list of interruptions and delays we encounter every day; but we live in dangerous times, we live in a new world....

It all sounds so reasonable, but there's a lot to disagree with in such an attitude.

The potential privacy encroachments of an ID card system are far from minor. And the interruptions and delays caused by incessant ID checks could easily proliferate into a persistent traffic jam in office lobbies and airports and hospital waiting rooms and shopping malls.

But my primary objection isn't the totalitarian potential of national IDs, nor the likelihood that they'll create a whole immense new class of social and economic dislocations. Nor is it the opportunities they will create for colossal boondoggles by government contractors. My objection to the national ID card, at least for the purposes of this essay, is much simpler.

It won't work. It won't make us more secure.

In fact, everything I've learned about security over the ...

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