A Novel Dynamic Access Security Protocol with Adaptive Cryptography and Event Controls for Cloud Data Sharing Across Various Security Levels

As digital transformation accelerates, the adoption of cloud technologies has exponentially increased, bringing with it heightened security risks associated with the management of public, private, and confidential data. Traditional cryptographic approaches often fall short in addressing the dynamic and complex security demands of modern cloud environments. This paper introduces the Dynamic Access Security Protocol (DASP), a novel framework designed to enhance cloud security through an innovative combination of advanced cryptographic techniques and dynamic access control mechanisms. DASP integrates Policy-Based Encryption (PBE) and Functional Encryption to provide secure, scalable, and flexible data protection solutions that are adaptable to the changing landscapes of cyber threats. Through extensive performance evaluations, DASP demonstrates significant improvements over existing models in terms of encryption, decryption speeds, and storage efficiency, confirming its suitability for large-scale and resource-constrained environments. Furthermore, the protocol's adherence to stringent data protection regulations such as GDPR and CCPA ensures its applicability across various global contexts. This research not only bridges the gap in current security models for cloud computing but also introduces a robust framework that can preemptively counteract emerging security threats, thereby providing a comprehensive solution for secure cloud data management.