Amid more racist insults, the recording says Abrams - who, if she wins on Tuesday, would also become the first African-American woman elected governor in US history -has a similar ability and "is someone white women can be tricked into voting for, especially the fat ones".
"We opened an investigation into the Democratic Party of Georgia after receiving information from our legal team about failed efforts to breach the online voter registration system and My Voter Page", Kemp's office said.
Polls suggest Kemp and Democrat Stacey Abrams are locked in a tight race that even before Sunday had evolved into a bitter back-and-forth over voting rights and ballot security. The all-caps headline says: "AFTER FAILED HACKING ATTEMPT, SOS LAUNCHES INVESTIGATION INTO GEORGIA DEMOCRATIC PARTY".More news: MSNBC Broadcasts Florida Governor Race Results One Day Early
The survey -published by the Trafalgar Group- has GOP candidate Brian Kemp garnering 54% of the vote compared with Stacey Abrams 40%.
Citing a potential conflict of interest, Democrats, including former President Jimmy Carter, have unsuccessfully appealed for Kemp to step aside as secretary of state until after the election. Eyes from all over the country are on Georgia's race for governor.
CNN reports that the state party is claiming an "abuse of power" by Kemp.More news: Trump says China's Xi wants a deal to end escalating trade war
In Cobb County, just outside Atlanta, Nicole Whatley planned to vote for Abrams, partly because "of this whole social divisiveness that's been going on", she said, as she stood in line to vote outside a library in a cold rain Tuesday morning. "I don't want anyone to vote for me because I'm black", she told supporters in Savannah on Monday.
According to interviews conducted by The Associated Press and records released by the Georgia Democratic Party, the dispute built steam quickly in the days before Kemp's statement. Kemp's first ad introducing himself to Georgia voters featured a gun, a chainsaw, an explosion and Kemp's pickup - "just in case I need to round up criminal illegals and take 'em home myself. Yep".
"This is a desperate attempt on the part of my opponent to distract people from the fact that two different federal judges found him derelict of his duties and have forced him to allow absentee ballots to be counted and those who are being held captive by the exact-match system to be allowed to vote", Ms. Abrams said.
The development Sunday intensified calls for Kemp to resign as the state's top election official while he's running for governor. Also, when cybersecurity expert Logan Lamb showed how the system's servers could be exploited to reveal the passwords, voter rolls, and voting machine software, the Coalition for Good Governance wanted the Federal Bureau of Investigation to examine the servers.More news: Critics compare Trump's midterm spot to racist Willie Horton ad from 1988