ShieldX: Secure Content Access App Ensuring Secure Digital Content Distribution using Device Authentication and Encryption
Keywords:
Access control, Challenge response authentication, Cryptographic security, Data leakage prevention, Device-bound authentication, Dynamic watermarking, Secure content distributionAbstract
The increasing use of digital platforms for sharing confidential and sensitive information has significantly raised concerns about unauthorized access, data breaches, data trapping and data leakage. Traditional and classical protection mechanisms such as password-based, Two-step verification, passkeys and static watermarking are often inadequate to prevent insider threats or unauthorized distribution, which are the major concerns. This project (ShieldX) proposes a device-bound secure content distribution and sharing system that restricts access to sensitive digital content by binding it to a specific authorized device, which is nothing but Device Bound Authorization. The system uses cryptographic key pairs, such as a Device Bound ID that should match the Logins given to Authorized Persons and a challenge-response authentication mechanism to verify device identity before granting access to encrypted content. Once authentication is successful, encrypted and protected files such as PDFs, images, videos, and text documents are securely delivered and decrypted within a controlled mobile application environment. The system also contains and integrates dynamic runtime watermarking, embedding user identity, device ID, and timestamp into the content to ensure traceability in case of leakage in order to identify the person who caused the leak. Additional runtime protections, including screenshot prevention, administrator alerts for unauthorized login attempts, blocking of unauthorized login attempts, and screen recording prevention, help reduce common methods of routine data exfiltration. By combining device authentication, encryption, access control, and watermark-based traceability, the proposed solution provides an effective approach for secure digital content sharing and data leakage prevention.
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