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Virus exposes Wi-Fi vulnerability

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Airborne viruses like the flu spread easily in densely populated areas. Now researchers in Liverpool, England, have created a similar airborne virus, only this is digital and it exposes flaws and attacks Wi-Fi networks.

Whether it's a public square, a favorite coffee shop, or a router at home, Wi-Fi networks are all around us. New research shows they may be vulnerable. The researchers in the U.K. have created a new virus called Chameleon that can attack weak points in Wi-Fi.

Professor Alan Marshal and the team from Liverpool University created the virus in the lab. The goal isn't some sinister James Bond plot. Instead, he says they're trying to stay one step ahead of would be digital hijackers.

Gray Scott, editor of tech site Serious Wonder, says the study is a reminder to protect Wi-Fi networks on at home and small business routers. Make sure your network has a password, not just your computer, he says.

In the future, protection may actually be much more personal, Scott says. Some companies, including Motorola, are creating digital pills and tattoos that could one day speed up the authentication processes.

In the meantime, you may want to just change the password.

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