Post-Quantum Cryptography and Data Protection: Legal and Ethical Implications for Global Cybersecurity
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Updated time：2026-07-27 05:25:23
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Abstract
Current public-key cryptography infrastructure is in grave danger from the impending arrival of cryptographically relevant quantum computers (CRQCs), which could undermine worldwide data protection regimes. In light of new quantum-specific laws, regulations such as the General Data Protection Regulation (GDPR) and the California Consumer Privacy Act (CCPA) are influencing the development of post-quantum cryptography (PQC). By design principles, we examine the effects of PQC migration options on adherence to data minimization, purpose limitation, and data protection. We uncover major holes in present cryptography procedures that can cause compliance failures in the quantum age by conducting a comprehensive analysis of 35 worldwide rules and 20 PQC standardization initiatives. To measure PQC algorithms' adherence to regulations and technical security standards, our approach suggests a multi-dimensional assessment matrix. Although PQC provides technological answers to quantum problems, the results show that putting it into practice brings up serious ethical concerns about the openness of algorithms, the compatibility of systems between countries, and the management of data in the long run. We urge regulatory agencies, industry stakeholders, and cryptographic standards bodies to work together immediately to create data protection frameworks that are quantum-ready and strike a balance between security needs and basic privacy rights.
Keywords
cryptographic standards, cybersecurity law, data protection, ethical AI, GDPR, NIST PQC, Post-quantum cryptography, quantum computing
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