1. A mobile device comprising: a processor; a storage device coupled to the processor and having instructions stored thereon, which, when executed by the processor, causes the processor to configure the mobile device to be an access point for a wireless network; and a communication interface coupled to the processor and operable for receiving an access request from a first requesting device, and for coupling the first requesting device to the wireless network in response to the access request; where the instructions, when executed by the processor, are further operable to cause the processor to lock down the mobile device to prevent access to the wireless network by a second requesting device based on a number of devices currently coupled to the wireless network through the mobile device, based on a location of the mobile device, or based on a time of the access request.