S2 Security, the leading developer of complete enterprise security solutions, announced S2 Cumulus. This new cloud-based service is a major step in connecting the S2 ecosystem, enabling administration and monitoring of S2 products as well as critical communication between people, devices, and third-party systems. S2 Cumulus currently supports S2 NetBox series access control and event monitoring systems, S2 NetVR series video management systems and the S2 Magic Monitor unified client.