RUSI assesses the UK-Republic of Korea Strategic Cyber Partnership as a vehicle for improving joint cyber resilience, deterrence, information sharing, and technology cooperation. The paper recommends expanding government, academic, research, and commercial exchanges, including matched research on attribution drivers, cybersecurity and AI, cyber collaboration between DPRK and Russia, and responsible offensive cyber doctrine. Its DPRK relevance is policy-oriented rather than incident-specific: it frames North Korea-linked cyber threats as part of the shared UK-ROK security agenda and calls for stronger bilateral mechanisms to exchange intelligence and align standards. The source does not provide malware, intrusion-chain, or IOC detail, so it should be treated as strategic context for defender cooperation rather than a technical threat report.