Sarcouncil Journal of Engineering and Computer Sciences

Abstract: Privacy regulations have fundamentally reformed digital infrastructure design, transferring preferences from performance metrics to balanced approaches that integrate compliance. As regulations such as GDPR, CCPA, and the redefined DPDP Act of India, the privacy-by-design approach experiences lower violations and lower therapeutic costs. Requirements for data security, consent management, and lifecycle governance now complement traditional performance-focused approaches rather than replacing them. Technologies that enhance privacy for federated learning and zero-knowledge evidence from tokens and homomorphic encryption have developed from niche equipment to core infrastructure components. Case studies in finance, healthcare, and retail show how privacy-focused architecture improves efficiency, regulatory agility, and operational flexibility. Privacy has become an important differentiator; Privacy-First strategies consistently perform better than retrospective solutions in economic, technical, and trust metrics. This change exceeds legislative compliance, reflecting a fundamental redirection of digital systems to harmonize performance with moral data practices, both in terms of permanent trade value and user-centric innovation.