Company's shared responsibility model addresses security and privacy challenges in the cloud The Health Information Trust Alliance (HITRUST) has announced the release of its new Shared Responsibility Matrix program to help cloud vendors better communicate their security and privacy assurances. Developed in collaboration with Amazon Web Services (AWS) and Microsoft Azure, HITRUST’s Shared Responsibility Matrices clearly define security and privacy responsibilities between cloud service providers and their customers, streamlining processes for risk management programs. Furthermore, the HITRUST Shared Responsibility Matrix for AWS and the HITRUST Shared Responsibility for Microsoft Azure align perfectly with each cloud service provider’s unique solution offering.