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Using Wireless Technology Securely

In recent years, wireless networking has become more available, affordable, and easy to use. Home users are adopting wireless technology in great numbers. On-the-go laptop users often find free wireless connections in places like coffee shops and airports.

If you’re using wireless technology, or considering making the move to wireless, you should know about the security threats you may encounter. This paper highlights those threats, and explains what you need to know to use wireless safely, both in the home and in public. You will find definitions of underlined terms in the glossary at the end of this paper.

Home Wireless Threats

By now, you should be aware of the need to secure traditional, wired internet connections.* * For detailed information on securing wired home networks, see “Home Network Security” <http://www.uscert.gov/reading_room/home-network-security/>. If you’re planning to move to a wireless connection in your home, take a moment to consider what you’re doing: You’re connecting a device to your DSL or cable modem that broadcasts your internet connection through the air over a radio signal to your computers. If traditional wired connections are prey to security problems, think of the security problems that arise when you open your internet connection to the airwaves. The following sections describe some of the threats to home wireless networks.