Wärtsilä achieved IEC 62443 certification after a rigorous multi-month assessment from exida, the certifying organization and world leader in automation cyber security. The certification process included detailed analysis of engineering procedures to determine systematic capability and cyber security strength, documentation review, product design and device validation testing to show cyber security protection. The Energy Storage and Optimization business line at Wärtsilä employed their mature Agile software development methodology to quickly implement requirements identified by both IEC standards and exida.