An enterprise communications system for implementing, accessing, using, and managing enterprise-specific resources includes one or more Mandate clients, each Mandate client including a wireless communication device and an enterprise-specific identity module installed in such wireless communication device, a digital mobile communications network operative to provide a wireless communications link to each Mandate client, a Mandate server interfaced with the digital mobile communications network and interconnected to the enterprise-specific resources, each enterprise-specific identity module having stored therein a unique authentication key and cryptographic algorithms, the unique authentication key and the cryptographic algorithms of each enterprise-specific identity module being available to the digital mobile communications network and the Mandate server, wherein each Mandate client, the digital mobile communications network and the Mandate server utilize the unique authentication key and the cryptographic algorithms to provide authenticated and encrypted communications therebetween for secure implementation, access, use, and management of enterprise-specific resources by each Mandate client.