Index for glossary W
Web Application Firewall
According to the Web Application Security Consortium, a web application firewall (WAF) is an intermediary device, sitting between a web-client and a web server, analysing OSI Layer-7 messages for violations in the programmed security policy.
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Web Defacement
Change of the content (usually the main page) of a website with some messages by intruder or by virus.
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Web Service Security (WS-Security)
WS-Security is a specification by OASIS to provide message integrity and confidentiality to web service.
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Wi-Fi Protected Access (WPA)
Wi-Fi Protected Access (WPA) is a wireless security protocol designed to address and fix the known security issues in WEP. WPA provides users with a higher level of assurance that their data will remain protected by using Temporal Key Integrity Protocol (TKIP) for data encryption.
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Wi-Fi Protected Access 2 (WPA2)
Wi-Fi Protected Access 2 (WPA2), based on IEEE 802.11i, is a new wireless security protocol in which only authorised users can access a wireless device, with features supporting stronger cryptography (e.g. Advanced Encryption Standard or AES), stronger authentication control (e.g. Extensible Authentication Protocol or EAP), key management, replay attack protection and data integrity.
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Wired Equivalent Privacy (WEP)
Wired Equivalent Privacy (WEP) Protocol is a basic security feature in the IEEE 802.11 standard, intended to provide confidentiality over a wireless network by encrypting information sent over the network. A key-scheduling flaw has been discovered in WEP, so it is now considered as unsecured because a WEP key can be cracked in a few minutes with the aid of automated tools.
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Worm
A worm is a program that spreads over network. Unlike a virus, worm does not attach itself to a host program.
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