Secure Data Bridging in Industry 4.0: An OPC UA Aggregation Approach for Including Insecure Legacy Systems
D. Sain, T. Rosenstatter, O. Saßnick, C. Schäfer and S. Huber. "Secure Data Bridging in Industry 4.0: An OPC UA Aggregation Approach for Including Insecure Legacy Systems," in IEEE Access (2026), May 2026, doi: 10.1109/ACCESS.2026.3691926.