A system and method for providing or maintaining data and application continuity in a computer system. According to an embodiment, the system comprises a communication interface for a client system, a network layer for receiving data from the client system, a hardware infrastructure for creating instances of the client system for replicating data, and an applications module for executing one or more applications on the replicated data. According to a further aspect, the system includes a portal and user interface configured for providing a remote user with control, audit and other functions associated with the user's system configuration. According to another aspect, the portal and user interface provides access and control based on user privileges for a multi-tenant, multi-instant architecture or configuration.