WPA2

WPA2 is a security standard for wireless networks based on the Advanced Encryption Standard technology (AES). It is used with the IEEE 802.11a, 802.11b, 802.11g, 802.11n and 802.11ac WiFi standards, encrypting data in order to prevent unauthorized access. WPA2 is the successor to WPA. It has superseded WEP encryption, which was used in the very early days of wireless networks, but which has now been deemed unsafe and vulnerable.