Ascent Capital Group, Inc. (Ascent Capital), formerly Ascent Media Corporation, is a holding company. The Company owns 100% interest of its operating subsidiary, Monitronics International Inc. (Monitronics). Monitronics provides security alarm monitoring and related services to residential and business subscribers throughout the United States and parts of Canada. Through its wholly owned subsidiary, Monitronics, the Company is primarily engaged in the business of providing security alarm monitoring services: monitoring signals arising from burglaries, fires, medical alerts and other events though security systems at subscribers� premises, as well as providing customer service and technical support. On August 16, 2013, Monitronics acquired all of the equity interests of Security Networks LLC (Security Networks) and certain affiliated entities (the Security Networks Acquisition).