Cyberwar could be a life disrupter as well as a business killer. Iran and its allies have a history of launching attacks that are hard to prove but nonetheless concerning. Top among the threats posed by Iran is the possibility of a massive cyber offensive aimed at critical infrastructure like the power grid, financial organizations, hospitals, election systems, businesses of all stripes, and government agencies. While you might imagine such an attack would be readily apparent with widespread blackouts and the like, the start of a cyberwar campaign may be more like the contrail of a firework, a subtle streak of smoke in the sky preceding a very obvious conflagration. It could target your employees, not your company. We're all connected. So, how do you know if it's happening?