This document summarizes a research paper that proposes a novel framework for scalable and secure sharing of personal health records in cloud computing using attribute-based encryption. The framework aims to address issues like privacy exposure, scalability in key management, flexible access control and efficient user revocation. It leverages attribute-based encryption techniques to encrypt each patient's health records and divides users into multiple security domains to reduce key management complexity. The scheme also enables dynamic modification of access policies, supports efficient revocation of users or attributes, and allows break-glass access in emergencies.