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US Cyber Command

Tripwire for real war? Cyber’s fuzzy rules of engagement

If the West were to respond harshly to Russian aggression, Moscow could retaliate against NATO nations in cyberspace with an intensity and on a scale previously unseen. A major cyberattack on US targets would almost certainly unleash a muscular response. But what of lesser cyberattacks? Or if Russian President Vladimir Putin restricted them to a NATO member in Europe?

EXPLAINER: Why the Colonial Pipeline hack matters

A cyberattack on a critical US pipeline is sending ripple effects across the economy, highlighting cybersecurity vulnerabilities in the nation's aging energy infrastructure. The Colonial Pipeline, which delivers about 45% of the fuel used along the Eastern Seaboard, shut down Friday after a ransomware attack by gang of criminal hackers that calls itself DarkSide. Depending on how long the shutdown lasts, the incident could impact millions of consumers.