Massive cybersecurity breaches have become almost commonplace, regularly grabbing headlines that alarm consumers and leaders. But for all of the attention such incidents have attracted in recent years, many organizations worldwide still struggle to comprehend and manage emerging cyber risks in an increasingly complex digital society. As our reliance on data and interconnectivity swells, developing resilience to withstand cyber shocks—that is, large-scale events with cascading disruptive consequences—has never been more important.