Wireless networks and communication links have become pervasive for both personal and organizational communications. A wide variety of technologies and network types have been adopted, including Wi-Fi, Bluetooth, WiMAX, ZigBee, and cellular technologies. Although the security threats and countermeasures of computer network and overall information security apply to wireless networks and communications links, there are some unique aspects to the wireless environment. You are required to present an overview of security threats and countermeasures for wireless networks. Further also discuss the unique security threats posed by the use of mobile devices with enterprise networks.