The Trump administration's radical changes to United States fiscal policy, foreign relations, and global strategy—combined with mass firings across the federal government —have created uncertainty around US cybersecurity priorities that was on display this week at two of the country's most prominent digital security conferences in Las Vegas. “We are not retreating, we're advancing in a new direction,” Cybersecurity and Infrastructure Security Agency chief information officer Robert Costello said on Thursday during a critical infrastructure defense panel at Black Hat .

As in other parts of the federal government, the Trump administration has been combing intelligence and cybersecurity agencies to remove officials seen as disloyal to its agenda . Alongside these shifts, the Whi

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