The electric grid is considered to be among the most critical infrastructure in the world. However, each year, energy and electric utilities are exposed to more sophisticated and more frequent cyber attacks, and constant probing by hostile nation states has been reported.
Disruption to the grid can have far-reaching consequences, and cyber security is of paramount importance. Critical Operational Technology, or OT, assets have traditionally been protected from cyber attacks by maintaining an effective air gap in the communications network. Most controls over the actual grid were manually applied, not automated. And disaster planning focused on storms and catastrophic physical events rather than cyber events.
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