Russia ‘Acted With Impunity’ in Hack on U.S., Senator Says

  • Romney faults Trump’s response, Warner sees ‘big haul’
  • Calls for a cyber-response from U.S. on equivalent scale

Mitt Romney

Photographer: Mandel Ngan/AFP/Getty Images

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U.S. officials say a lengthy effort lies ahead to identify the extent of a suspected Russian hack on federal agencies and private companies, and to craft an appropriate response.

“We’re just getting our arms around the scope of this cyber-compromise,” Christopher Krebs, former director of the U.S. Cybersecurity and Infrastructure Security Agency, or CISA, said on Sunday.