McAfee MIS09EMB3RAA User Guide - Page 253
WPA-PSK, WPA2-PSK
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Glossary 251 worm A virus that spreads by creating duplicates of itself on other drives, systems, or networks. A mass-mailing worm is one that requires a user's intervention to spread, e.g., opening an attachment or executing a downloaded file. Most of today's email viruses are worms. A self-propagating worm does not need user intervention to propagate. Examples of self-propagating worms include Blaster and Sasser. WPA Wi-Fi Protected Access. A specification standard that strongly increases the level of data protection and access control for existing and future wireless LAN systems. Designed to run on existing hardware as a software upgrade, WPA is derived from, and is compatible with, the 802.11i standard. When properly installed, it provides wireless LAN users with a high level of assurance that their data remains protected and that only authorized network users can access the network. WPA-PSK A special WPA mode designed for home users who do not require strong enterprise-class security and do not have access to authentication servers. In this mode, the home user manually enters the starting password to activate Wi-Fi Protected Access in Pre-Shared Key mode, and should change the pass-phrase on each wireless computer and access point regularly. See also WPA2-PSK (page 251), TKIP (page 248). WPA2 An update to the WPA security standard, based on the 802.11i standard. WPA2-PSK A special WPA mode that is similar to WPA-PSK and is based on the WPA2 standard. A common feature of WPA2-PSK is that devices often support multiple encryption modes (for example, AES, TKIP) simultaneously, while older devices generally support only a single encryption mode at a time (that is, all clients would have to use the same encryption mode).