How to hacker-proof your Wi-Fi network

Thursday, 25 November 2004, 12:32 AM EST

How do you keep your office building safe from data theft?

British defence contractor has come up with wallpaper that prevents Wi-Fi signals from escaping from a building without blocking mobile phone signals. This is to prevent hackers from tapping into Wi-Fi networks set up casually by office workers. Normally, such Wi-Fi networks are unprotected by a firewall. Hackers can use the Wi-Fi signals to gain illegal access to a company's secure network, and hence its data.

By Ahmed ElAmin at the Royal Gazette.

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