In one example, a connector for providing security to an article of merchandise is provided, wherein the article of merchandise includes an input port and internal circuitry. The connector includes a connection portion configured to releasably engage the input port of the article of merchandise. The connector also includes a conductive shield and at least one pair of ground conductors. At least one of the ground conductors is configured to electrically connect to the conductive shield to define a sense loop when the connector is engaged with the article of merchandise. Interruption of the sense loop is indicative of a security event.