Commentary State-sponsored cyberattacks against other nations are nothing new; they’ve been a reality for a couple of decades, even if we’ve discovered some malicious code recently. But as U.S. relations deteriorate with China and Russia, they take on even greater urgency and up the risks of strategic mistakes. As Russia’s war against Ukraine has demonstrated, a rise in digital activity, including cyberattacks, may be a prelude to war. Before its invasion, Russia launched several cyberattacks that targeted Ukrainian government websites and financial institutions. Most were distributed denial-of-service (DDOS) attacks. The DDOS attacks against Ukraine involved massive amounts of incoming requests, messages, and other activities intended to overwhelm government websites’ ability to function. Such attacks can not only disrupt a government’s ability to work in some areas, but they can also hide other, deeper cyberattacks that may well be of a subtler and far more sinister nature. China’s Continuous Cyberthreat to …