Fancy taking revenge on someone you don't like by deluging someone with junk mail?

A little bit of knowledge can go a long way. Thanks to the increased readiness of companies to send out brochures and magazines to anyone who bothers to register online, the US Postal Service can become the agent of denial of service attacks.

This much is well known, but a recent paper by security researchers Simon Byers, Aviel Rubin and Dave Kormann demonstrates how to automate this attack.

If you type the following search string into Google -- "request catalogue name address city state zip" -- you'll get links to over thousands of Web forms where you can type in your information and receive a catalogue in the mail.

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