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While security is important for all networks, wireless LANs deserve special consideration since they are subject to an increased level of risk. First, since wireless extends beyond the walls of an organization, physical security is less effective than with wired networks. Second, wireless network abuse has become more common, with tools that assist wireless hacking widely available, and companies are a target. Finally, 802.11 protocols operate on unlicensed spectrum using well-understood protocols, resulting in a proliferation of devices that are able to access a corporate network. Wireless networks are also subject to several regulations that mandate the high security networks, including PCI, HIPAA, and SOX.
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