With the falling cost and power consumption of wireless LAN chipsets and software, wireless LANs are proliferating everywhere, from smartphones to the enterprise to the factory floor. However, with a wireless link come inevitable and necessary concerns about security. Without security, people can view your wireless traffic. Do you want your neighbor to know what Internet sites you're visiting? Do you keep bank statements on your home network? It's a good idea to protect this information.

Because the market will demand products that provide this security, it's also a good idea to understand IEEE's new 802.11i security standards for wireless LANs. In this article, I'll describe the main components of 802.11i.

By David Halasz at Embedded.

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