The U.S. official in charge of protecting American elections from hacking says the Russians successfully penetrated the voter registration rolls of several U.S. states prior to the 2016 presidential election.
"We saw a targeting of 21 states and an exceptionally small number of them were actually successfully penetrated."
EXCLUSIVE: DHS cybersecurity head has "no doubt" that Russians penetrated voter registration systems.— NBC Nightly News with Lester Holt (@NBCNightlyNews) February 7, 2018
Watch @CynthiaMcFadden's report tonight on @NBCNightlyNews. https://t.co/P0uUlNmVzk pic.twitter.com/eBPGTDXHZY