WiFi encryption

WiFi encryption means to encrypt the messages that are sent between nodes on a wireless network.

A wifi interface can use one of several encryption options:

None No encryption.
WEP Wired Equivalent Privacy
WPA2 Personal (PSK) Wi-Fi Protected Access
WPA/WPA2 Personal (PSK) Mixed Mode Wi-Fi Protected Access II Pre-Shared Key
WPA2 Enterprise Wi-Fi Protected Access II Enterprise
WPA/WPA2 Enterprise Mixed Mode Wi-Fi Protected Access Enterprise / Wi-Fi Protected Access II Enterprise