Verimatrix, the specialist in securing and enhancing revenue for multi-network, multi-screen digital TV services around the globe, and Com Hem, a leading supplier of pay-television, high-speed broadband and fixed-telephony to 1.74 million connected households in Sweden, today announced that the Verimatrix Video Content Authority System (VCAS™) has been selected to secure Com Hem's advanced multi-screen TV services scheduled to launch Spring 2013