New rules on cyber risk management across the European Union put executives firmly in the crosshairs for noncompliance and are likely to apply to a wider range of organizations than many business leaders may initially think. However, there are also concerns that the rules may become muddled as different countries interpret them and enforce them in different ways.

Neil Hodge is a freelance business journalist and photographer based in Nottingham, United Kingdom. He writes on insurance and risk management, corporate governance, internal audit, compliance, and legal...