Japan may even be more instructive. In Japan, the number of successful cyberattacks dropped dramatically—by more than 50 percent—over the course of a single year, according to an empirical study of data provided by Symantec. Researchers attributed Japan’s progress to a culture of cyber hygiene but also to a cybersecurity master plan that the Japanese implemented in 2005. Japan’s policy is remarkably detailed. It mandates clear security requirements for government agencies, critical infrastructure providers, private companies, universities, and individuals. It was the only national
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