DM2 Security (formerly Dynamark) has provided peace of mind for thousands of Pennsylvania families and businesses for more than 35 years. DM2 Security offers the latest advanced technology designed to simplify your life and enhance your security. DM2 Security can professionally monitor with fast, efficient response from our UL-listed monitoring center. Using world-class technology from Honeywell and Interlogix, DM2 offers security systems customized for your home or business. Our exciting technology allows you to monitor and control the security around your premises – from almost anywhere in the world – using an app on your smartphone, tablet or laptop.