FBI director finds foreign campaigns against U.S. are relentless

FBI Director Christopher Wray said Tuesday that foreign adversaries are increasingly using social media campaigns to pit Americans against each other, even as intelligence officials have not found a “material impact on election infrastructure,” CNN reports.

Details: Wray said his agency has been collaborating with social media companies to offset online threats. Intelligence officials have also identified what Wray called "blended" attacks, in which nations work with cyber criminal groups to attack the U.S.