Digitization and networking are penetrating ever deeper into classical production environments. But the boundaries between OT and IT, between operational technology and good old-fashioned information technology, are becoming blurred, and that creates new challenges in defending against cyberattacks. Sebastian Ganshow is Director of Cybersecurity Solutions at NTT Ltd., a member of the Japanese conglomerate that started out in 1870 as the operator of Japan’s first telegraph system and is today one of the five top global technology and business solutions providers in the world. Gartner recently positioned NTT Ltd. as a Leader in their Magic Quadrant for Global Network Services.