For many years, cars had analog indicators on the dashboard, including the infamous “idiot light” which, loosely translated, meant: “You ignored the oil pressure and water temperature gauges and now will have an expensive engine repair.” As microprocessors became common in automobile engine control systems, that glowing bulb was replaced by the dreaded “check engine” multi-indicator message, which largely meant: “You ignored the 27 little indicators of problems and now will have an expensive engine repair.” Great for the towing and repair industry; not so great for businesses and families with vehicles stuck on the side of the road. Flash forward to now. After-action reports reveal that well-known vulnerabilities were exploited by attacks, causing millions of dollars’ worth of dama

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