Wi-Fi Protected Access (n)~ A security method used by wireless networks. WPA encrypts the information that is sent between computers on a wireless network and authenticates users to help ensure that only authorized people can access the network. Wi-Fi Protected Access 2 (PN)~ A wireless implementation and the second generation of WPA security that is based on the final IEEE 802.11i amendment to the 802.11 standard. Wi-Fi Sense (PN)~ A feature that automatically attaches users to Wi-Fi hotspots.