Firing Christopher Krebs Crosses a Line—Even for Trump

Firing Christopher Krebs Crosses a Line—Even for Trump

Within minutes of Donald Trump tweeting that he had fired Christopher Krebs as the director of the Department of Homeland Security’s cybersecurity agency Tuesday night, Twitter slapped on a warning label that the accompanying claim about electoral fraud “is disputed.” The disinformation warning was, in some ways, a fitting denouement to a two-week-long battle between Krebs, the head of the Cybersecurity and Infrastructure Security Agency, and his boss in the Oval Office.

The Russian Hackers Playing 'Chekhov's Gun' With US Infrastructure

The Russian Hackers Playing 'Chekhov's Gun' With US Infrastructure

Last week the Department of Homeland Security's Cybersecurity and Infrastructure Security Agency published an advisory warning that a group known as Berserk Bear—or alternately Energetic Bear, TEMP.Isotope, and Dragonfly—had carried out a broad hacking campaign against US state, local, territorial, and tribal government agencies, as well aviation sector targets.