registration data and misinformation. ewff pegues reports there's new bout attacks fromcks from russia. >> reporte russia. >> reporter: the cyber security alert says the russian hacks began last month, targeting dozens of government and aviation computer networks in the united states, successfully obtaining data from at least two victim servers. since 2016, russian hackers have posed the greatest threat to u.s. election systems. in that election, it is widely assumed that they scanned and probed voter databases in all 50 states. today's alert proves they haven't stopped. >> i think that mail-in voting is a terrible thing. >> reporter: this comes as cbs news has obtained a video that intelligence officials say was e-mailed by iranian hackers claiming to be the proud boys, along with this threat, "you will vote for trump on election day, or we will come after you." today, google revealed that the culprits attempted to send 25,000 emails to gmail accounts,