Enhancing Data Security in Cloud Using Block Chain

With the increasing threats of data breaches and unauthorized access, cloud storage security has become a major concern.Traditional cloud security models depend on centralized systems, which are vulnerable to single points of failure, data tampering, and insider threats.To tackle these challenges, this paper introduces a blockchain-based framework aimed at enhancing cloud data security by utilizing decentralized, tamper-proof, and transparent ledger technology.The implementation is divided into phases, with Module 1 concentrating on data encryption and the integration of secure storage.We use AES encryption to protect sensitive data before it is uploaded to the cloud and employ the Interplanetary File System (IPFS) for decentralized storage, while blockchain is used to record metadata and access logs, ensuring data integrity and transparency.Initial results show enhanced security, immutability, and resilience against cyber threats.Future efforts will focus on incorporating access control mechanisms, smart contract automation, and dynamic authentication methods.This ongoing study offers valuable insights into the potential of blockchain-driven cloud security and sets the foundation for a scalable, decentralized data protection system.