A Mobility Management Entity, MME for an evolved packet core, EPC, network comprising: transmission circuitry configured to communicate with an eNodeB (202, 204, 212) and a home subscriber server, HSS; receiver circuitry configured to communicate with the eNodeB (202, 204, 212), wherein the MME is configured to: receive, via the receiver circuitry and an eNodeB (202, 204, 212), an attachment message associated with a cellular Internet of Things, CioT, user equipment, UE, wherein the attachment message comprises an Access Point Name, APN associated with a cloud service provider, CSP; transmit an identity request message to the cellular Internet of Things, CioT, user equipment, UE via the transmission circuitry in the MME and the eNodeB (202, 204, 212); receive, via the receiver circuitry and the eNodeB (202, 204, 212), an identity response message comprising device information from the CIoTUE; transmit, via the transmission circuitry, the APN and the device information to the HSS; and receive, from the HSS, CSP, authentication data for the CIoT UE, comprising an encrypted session key computed from a master key for the EPC network; and processing circuitry configured to execute a device attachment process with the encrypted session key to attach the CIoT UE to the EPC network in response to receiving the CSP authentication data, wherein the device attachment process comprises an authentication and key agreement, AKA, attachment process. transmission circuitry configured to communicate with an eNodeB (202, 204, 212) and a home subscriber server, HSS; receiver circuitry configured to communicate with the eNodeB (202, 204, 212), wherein the MME is configured to: receive, via the receiver circuitry and an eNodeB (202, 204, 212), an attachment message associated with a cellular Internet of Things, CioT, user equipment, UE, wherein the attachment message comprises an Access Point Name, APN associated with a cloud service provider, CSP; transmit an identity request message to the cellular Internet of Things, CioT, user equipment, UE via the transmission circuitry in the MME and the eNodeB (202, 204, 212); receive, via the receiver circuitry and the eNodeB (202, 204, 212), an identity response message comprising device information from the CIoTUE; transmit, via the transmission circuitry, the APN and the device information to the HSS; and receive, from the HSS, CSP, authentication data for the CIoT UE, comprising an encrypted session key computed from a master key for the EPC network; and processing circuitry configured to execute a device attachment process with the encrypted session key to attach the CIoT UE to the EPC network in response to receiving the CSP authentication data, wherein the device attachment process comprises an authentication and key agreement, AKA, attachment process. receive, via the receiver circuitry and an eNodeB (202, 204, 212), an attachment message associated with a cellular Internet of Things, CioT, user equipment, UE, wherein the attachment message comprises an Access Point Name, APN associated with a cloud service provider, CSP; transmit an identity request message to the cellular Internet of Things, CioT, user equipment, UE via the transmission circuitry in the MME and the eNodeB (202, 204, 212); receive, via the receiver circuitry and the eNodeB (202, 204, 212), an identity response message comprising device information from the CIoTUE; transmit, via the transmission circuitry, the APN and the device information to the HSS; and receive, from the HSS, CSP, authentication data for the CIoT UE, comprising an encrypted session key computed from a master key for the EPC network; and processing circuitry configured to execute a device attachment process with the encrypted session key to attach the CIoT UE to the EPC network in response to receiving the CSP authentication data, wherein the device attachment process comprises an authentication and key agreement, AKA, attachment process.