The Network Security. Org

Are you worried about wireless Internet security? Good!

The ability to detach yourself from that wire, and to have an Internet connection wherever you go ? that's very seductive. But there are hidden dangers in wireless networking.

Wireless networking cards are nothing more than radios. And radios broadcast; they spew out their waves promiscuously, to every receiver in range. And every wireless networking card is also a receiver. So every wireless network card can receive all the information being sent out from every other wireless networking card. In your own home, maybe that's not such a big deal, but in your local coffee shop, that can be a very big deal indeed.

There are a couple of things you can do about that. The best thing is to use some form of wireless security. Unfortunately, that happens at the access point (the other end, basically). If the access point is in your home (in, for example, your wireless router), you can set it up with security. But if you're in a public place, you're at their mercy.

Wireless security is an all-or-nothing proposition. Because it happens at the access point, either everybody has it or no one has it. Democrat & Chronicle: Nick Francesco

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