The German government released an incident report in December detailing a targeted cyberattack on a steel mill blast furnace that resulted in "massive" damage. The translated report reveals that attackers were able to compromise the steel mill’s corporate network, and from there reach into the production network. Fortunately, no lives were lost, but this event serves as a rallying cry for the safe integration of IT networks with operations technology (OT) networks. Simply applying IT-style defenses to OT networks is not enough to ensure the safe and reliable operation of industrial control systems (ICS), which is why OT cybersecurity best… [Continue Reading]