Support for Cooperation among Governments to Address Cyber Threats to Nuclear Weapons Systems

... have crossed over to a new nuclear era in which cyber capabilities transform the nuclear risks. A successful cyberattack on nuclear weapons or related systems—including nuclear planning systems, early warning systems, communication systems, and delivery ... ... should identify cooperative actions and identify norms and rules of the road—for example, agreement to refrain from using cyberattacks against nuclear weapons systems—as well as confidence building and verification measures that could enhance confidence ...