National security adviser John Bolton (from left), Director of National Intelligence Dan Coats, FBI Director Christopher Wray, Homeland Security Secretary Kirstjen Nielsen and chief of U.S. Cyber Command Gen. Paul M. Nakasone attend a press briefing on election security at the White House on Thursday.

National security adviser John Bolton (from left), Director of National Intelligence Dan Coats, FBI Director Christopher Wray, Homeland Security Secretary Kirstjen Nielsen and chief of U.S. Cyber Command Gen. Paul M. Nakasone attend a press briefing on election security at the White House on Thursda