Air travel these days - our security - a bit more from Bruce Schneier

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Back on December 28th, I posted about some comments that Bruce Schneier had on airplane security: Air travel these days - our security He amplified his thoughts in this editorial published on the 29th on CNN:
Is aviation security mostly for show?
Last week's attempted terror attack on an airplane heading from Amsterdam to Detroit has given rise to a bunch of familiar questions.

How did the explosives get past security screening? What steps could be taken to avert similar attacks? Why wasn't there an air marshal on the flight? And, predictably, government officials have rushed to institute new safety measures to close holes in the system exposed by the incident.

Reviewing what happened is important, but a lot of the discussion is off-base, a reflection of the fundamentally wrong conception most people have of terrorism and how to combat it.

Terrorism is rare, far rarer than many people think. It's rare because very few people want to commit acts of terrorism, and executing a terrorist plot is much harder than television makes it appear.

The best defenses against terrorism are largely invisible: investigation, intelligence, and emergency response. But even these are less effective at keeping us safe than our social and political policies, both at home and abroad. However, our elected leaders don't think this way: They are far more likely to implement security theater against movie-plot threats.

A "movie-plot threat" is an overly specific attack scenario. Whether it's terrorists with crop dusters, terrorists contaminating the milk supply, or terrorists attacking the Olympics, specific stories affect our emotions more intensely than mere data does.

Stories are what we fear. It's not just hypothetical stories -- terrorists flying planes into buildings, terrorists with explosives strapped to their legs or with bombs in their shoes, and terrorists with guns and bombs waging a co-ordinated attack against a city are even scarier movie-plot threats because they actually happened.

"Security theater" refers to security measures that make people feel more secure without doing anything to actually improve their security. An example: the photo ID checks that have sprung up in office buildings. No one has ever explained why verifying that someone has a photo ID provides any actual security, but it looks like security to have a uniformed guard-for-hire looking at ID cards.

Airport-security examples include the National Guard troops stationed at U.S. airports in the months after 9/11 -- their guns had no bullets. The U.S. color-coded system of threat levels, the pervasive harassment of photographers, and the metal detectors that are increasingly common in hotels and office buildings since the Mumbai terrorist attacks, are additional examples.
One thing that has cropped up are stories about security for people flying in and out of Israel. They have a much more effective system that is simply based on two ideas -- profiling and observation. If someone looks a bit nervous, they get asked some questions. If the answers don't line up, they get some more questions and maybe a patdown. They enjoy a 100% success rate. Something that we could learn here instead of always checking against what the last couple terrorists tried. Shoes, items on lap at landing, etc...

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This page contains a single entry by DaveH published on January 1, 2010 4:10 PM.

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