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vulnerability A bug or glitch in computer software, an operating system, or architecture that can be exploited, leading to a system compromise.

vulnerability scanning Searching for devices, processes, or configurations on your network that have known vulnerabilities.

war d is ler A malicious application that randomly calls phone numbers while trying to detect the response of a computer modem.

warchalking A technique to identify key features of Wi-Fi networks for others by drawing symbols in public places (where anyone can intrude easily) and encourage open access.

web server The computer that delivers web pages to browsers and other files to applications via the HTTP protocol.

web spider Scanning web sites for certain information such as e-mail accounts.

white-box testing Testing software, a system, or a network with knowledge of the internal structure. Also called glass box testing.

Wi-Fi A certification from the Wi-Fi alliance to promote interoperability of wireless equipment for 802.11 networks (including 802.11b, 802.11a, 802.11g, and 802.11n). This term was popularized by the Wi-Fi Alliance.

Wired Equivalent Privacy (WEP) A technically obsolete protocol for wireless local area networks (WLAN). WEP was proposed to present a level of security similar to that of a wired LAN.

wiretapping A process by which a third party intervenes in a telephone conversation, usually through a secret medium.

worm A malicious software application that is structured to spread through computer networks. These applications are self-propagating.

Index

Note to the Reader: Throughout this index boldfaced page numbers indicate primary discussions of a topic. Italicized page numbers indicate illustrations.

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