Merck & Co.‘s victory in a legal dispute with insurers over coverage for $1.4 billion in losses from malware known as NotPetya is expected to force insurance policies to more clearly confront responsibility for the fallout from nation-state cyberattacks.

Merck & Co.‘s victory in a legal dispute with insurers over coverage for $1.4 billion in losses from malware known as NotPetya is expected to force insurance policies to more clearly confront responsibility for the fallout from nation-state cyberattacks.