Ecosystem of cloud facilities characterized by superior security guarantees, providing protection from attacks by privileged users (e.g. the cloud provider or the system administrator) and software (e.g. the hypervisor). SecureCloud is flexible, since it can satisfy a wide range of customers-specific requirements including big data processing, secure intra-cloud communication, precise microservice scheduling and reliable data storage. SecureCloud is interoperable, in that its facilities can be seamlessly integrated with best of breed offerings from the Open Source community.