How to Target Critical Infrastructure: The Adversary Return on Investment from an Industrial Control System
Imagine a device that could decrypt all encryption--within seconds. A box with this capability could be one of the most valuable pieces of equipment for an organization, but even more valuable to an adversary. What if that box only worked against American encryption? If true, a particular market would be ripe for the harvest. A device that powerful could be used to decrypt secrets and data in transit, making encrypted data an adversary might have access to, extremely valuable. Similarly, Critical Infrastructure is a target for some because of the yield that a successful attack could result in. Death, disruption or damage is a real possibility. The Return on Investment (ROI) and Return on Security Investment (ROSI) fall short in actually determining the level of protection required for an organization striving to protect the most sensitive data or system. The Adversary Return on Investment (AROI) is the missing piece to the equation. From the adversary's vantage point, data, infrastructure or systems have value. By understanding this value an organization can more appropriately align its security strategy; especially, for the most critical infrastructure.
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