Oil and gas operators face huge risks associated with industrial control system vulnerabilities. One company calculated that the failure of one of its control system’s human machine interfaces (HMIs) would cost the organization an estimated $12 million in lost production alone. One third of critical infrastructure operators believed their control system assets or networks had been breached more than twice, according to the SANS institute. The energy sector faces a 20-year technical debt that can’t be recovered overnight, says author.”]