FBI Warns Companies About Wireless Warchalking

nobilid writes: "Well-meaning wireless activists have caught the attention of the U.S. Federal Bureau of Investigation. One of its agents has issued a warning about the popular practice of using chalk marks to show the location of wireless networks."

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The derivation of the "warchalking"

[WIAKywbfatw]

The phrase "warchalking" is derived from the the hacking term "wardialling".

Hackers would programme their computers to search for all phone lines that returned data tones - ie, networks that they could hack into. This exhaustive searching was known as "wardialling".

Hence "warchalking", a similar process that uses chalk markings.

Also, driving around looking for unsecure wireless networks to tap into and possibly exploit is called "wardriving".

Who makes this stuff up? Well, I guess we all do.