Wireless Wide Area Networks (WAN) are a popular method of wirelessly accessing data over the Internet. A major concern for many corporate users of wireless WANs is data security and how to protect data that is transmitted over these wireless networks. There are many features of these wireless networks, which provide user and data security. This paper discusses the security features for CDPD, CDMA, and GPRS networks, as well as an introduction to virtual private networks (VPN) and how these applications can be used to enhance the overall security of data on wireless networks. For each of the technologies presented in this paper, a brief overview of the wireless network is given, followed by a discussion of each of the features of that network that contribute to the overall security of the network.
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