WannaCry Means GottaAct: Lessons in Ransomware’s Wake

For many organizations, the past week brought an unwanted welcome to the new world of cyber risk. The “greeting” came from WannaCry, ransomware that disrupted the UK’s health services, halted a French carmaker’s production, interfered with a US logistics company’s network, and shut down corporate offices in Asia, all in a matter of hours. The attackers sought an almost laughably small ransom from victims — as little as $300 per infected computer — but the ultimate disruption to the global...