election security

The disclosure this week that two Florida counties were breached by Russian attackers in 2016 has officials worried about what more they don't know.

The attack had not been publicly known until last month's release of the Mueller report. The governor said no vote tallies were affected and that no data had been manipulated.

President Trump's son-in-law and senior adviser said the investigations into Russian interference have been more damaging than the interference itself. But there was more to it than online ads.

Election officials have been planning and preparing for 2020 based on what they know happened leading up to 2016. The question now is what more they may learn from the special counsel.

Senate Majority Leader Mitch McConnell has made it clear, however, that the bill is going nowhere in the Senate.

"There's some risk that people will look at 2018 and say, 'Well, nothing happened; that means we're OK,' " said one computer security expert. "Unfortunately, that's not the case."

States are blocking foreign IP addresses from their election websites. But it won't stop determined hackers and it could frustrate voters who live overseas.