Wireless Security : Wireless Network Essay

1089 WordsApr 19, 20165 Pages
Wireless Security Overview Wireless networks serve as the transport mechanism between devices and among devices and the traditional wired networks (enterprise networks and the Internet). Wireless networks are many and diverse but are frequently categorized into three groups based on their coverage range: Wireless Wide Area Networks (WWAN), Wireless Local Area Network (WLANs), Wireless Personal Area Network (WPAN )and etc. WWAN includes wide coverage area technologies such as 2G cellular, Cellular Digital Packet Data (CDPD), Global System for Mobile Communications (GSM). WLAN, representing wireless local area networks, includes 802.11, HiperLAN, and several others. WPAN, represents wireless personal area network technologies such as Bluetooth and IR All of these represent potential threats in wireless networks as well. However, the more immediate concerns for wireless communications are: • Denial of service • Malicious hackers • Theft of service (Identity theft / MAC spoofing) In wireless security, information must be protected from unauthorized, unanticipated, or unintentional modification. Security requirements include the following: • Authenticity—A third party must be able to verify that the content of a message has not been changed in transit. • Nonrepudiation—The origin or the receipt of a specific message must be verifiable by a third party. • Accountability—The actions of an entity must be traceable uniquely to that entity. As wireless communication and the

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