The fuel cycle is the full path nuclear fuel takes from uranium extraction to final disposal. It includes mining, conversion, enrichment, fuel fabrication, reactor use, spent-fuel storage, possible reprocessing, and long-term waste management. Each stage changes the material’s form, location, and risk profile, so the fuel cycle is best understood as one connected industrial system rather than separate steps.
In cyber security, the fuel cycle matters because many of its stages depend on digital control systems, logistics platforms, tracking databases, and regulatory reporting. A successful attack could disrupt supply chains, alter process data, interfere with inventory traceability, or weaken safeguards around sensitive material. Defenders focus on segmentation, access control, integrity monitoring, and strong audit trails to protect both operations and compliance. In real environments, the fuel cycle is where safety, security, and accountability must all remain synchronized.