A method for device ownership security is disclosed. The method includes storing an ownership record on a mobile device identifying a home network for the mobile device. The method further includes connecting, by the mobile device, to a foreign network. The method also includes receiving, from the home network, a negative communication based on an indication that the mobile device is at least one of stolen and lost as a second portion of the transaction. The method still further includes ceasing a function of the mobile device in response to the negative acknowledgment.