Cyber business interruption insurance is a thriving market, but growth carries the threat of a mega-loss.
Lingering hopes that large-scale cyber attack might be a once-in-a-lifetime event were dashed last year. The four-day WannaCry ransomware strike in May across 150 countries targeted more than 300,000 computers running Microsoft Windows. A month later, NotPetya hit multinationals ranging from Danish shipping firm Maersk to pharmaceutical giant Merck.
Maersk’s chairman, Jim…
