Emerging Architectures and Security Mechanisms for Patient- Centric Cloud-Based Electronic Health Record Systems

This survey paper explores the secure management of cloud-based electronic health records (EHRs) through centralized models, focusing on data security, access control mechanisms and algorithmic performance. It examines various encryption techniques and access strategies designed to protect sensitive health data against unauthorized access and breaches. The study also evaluates the efficiency and reliability of current security algorithms within cloud environments. This work focuses on developing robust and secure cloud solutions to effectively manage healthcare records. It addresses key challenges and outlines future research directions aimed at enhancing privacy, compliance, and performance within cloud-based healthcare systems.