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Author(s):

Mr R.Ramakrishnan | U.Nivetha
Keywords:

Electronic Medical Records (EMRs), Wearable Sensors,Health Data Security,Hierarchical Key – Attribute-Based Encryption (HE-ABE),Blockchain Technology,Fine-Grained Access Control,Data Privacy,Cybersecurity In Healthcare.
Abstract:
Healthcare Using Blockchain And ABE Technologies Focuses On Securing Sensitive Health Data Such As Electronic Medical Records (EMRs) And Real-time Physiological Metrics (e.g., Heart Rate, ECG, Temperature) From Wearable Sensors. These Data Streams Are Critical For Patient Care But Are Increasingly Vulnerable To Unauthorized Access And Cyber- Attacks, Particularly When Stored In Cloud Environments. Existing Security Protocols Often Fail To Provide Sufficient Protection, Leading To Risks Like Weak Encryption, Limited Access Control, And A Lack Of Accountability In The Event Of Data Breaches. To Address These Challenges, The AI DataLock Framework Is Proposed, Integrating Hierarchical Key – Attribute-Based Encryption (HE-ABE) And Blockchain Technology. HE-ABE Ensures That Only Authorized Individuals With The Correct Attributes Can Access Patient Data, While Blockchain Provides Tamper-proof Logging For Data Sharing Activities. This Combination Enhances Data Confidentiality, Enforces Fine- Grained Access Control, And Strengthens The Overall Integrity Of Healthcare Systems.