Wireless connectivity is now a reality in most businesses. Yet by its nature, wireless networks are the most difficult to secure and are often the favorite target of intruders. Some of the primary threats are the result of the following factors:
Denial of service (DoS) and other network layer attacksUnauthorized access across the perimeter and within the organizationApplication layer intrusions and attacks, both from within and outside the networkExtended connectivity through remote access and extranetsAn increase in unmanaged or ill-managed endpoint devicesNew applications like VoIP, instant messaging, and peer-to-peer. This book provides the busy network administrator with best-practice solutions address these threats and to maintain a secure and accessible wireless network. The book endorses the principle that the best strategy is to deploy multiple layers of security, each reinforcing the other. Yet it never strays from its emphasis on the practical; that any tool or methodology that is deployed must work reliably, allow sufficient access, and require a minimal amount of maintenance.
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