<ul data-eligibleForWebStory="true">Cybersecurity is foundational for the clean energy system, protecting digital systems of low-carbon fuels.OT merging with IT increases sector efficiency but also risks of cyber threats.The energy sector faces rising ransomware attacks and breaches impacting reliability and decarbonization.Operational technology convergence with information technology expands vulnerabilities.Quantum computing poses challenges to energy infrastructure security.NIST releases post-quantum cryptography standards and investments in cyber defense.Resilient infrastructure design is crucial for future digital and quantum threats.Innovations like Bohr Quantum embed physics-based protections into grid networks.Cybersecurity shift towards modular deployments for clean energy systems.Regulatory standards promote cyber readiness and unlock capital for secure systems.