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W

Webcams

A video camera connected to a computer, allowing its images to be seen by internet users.

Website defacement

Illegitimate changes made to the appearance and content of a website. Often likened to graffiti or online vandalism.

WEP

Wired Equivalent Privacy

Whaling

A highly-targeted form of spearphishing that is aimed at senior executives within an organisation.

White hat

An ethical computer hacker, or a computer security expert, who specialises in penetration testing and in other testing methodologies to legally and legitimately ensure the security of an organisation's information systems. See also ‘black hat’ and ‘grey hat’.

Wi-Fi

A set of wireless communication protocols that can transmit traffic to Wi-Fi enabled devices within a local area. A Wi-Fi enabled device such as a laptop or mobile device can connect to the internet when within range of a wireless network connected to the internet. An area covered by one or more Wi-Fi access points is commonly called a hotspot.

Wi-Fi Protected Access (WPA)

A security standard for protecting wireless networks.

Wi-Fi Protected Access 2 (WPA2)

A successor to Wi-Fi Protected Access that provides enhanced security for wireless networks.

Wi-Fi Protected Access 3 (WPA3)

A successor to Wi-Fi Protected Access 2 that provides further enhanced security for wireless networks.

Wide Area Network (WAN)

A telecommunications network or computer network that extends over a large geographical distance.

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