Russian Federation targeted Wisconsin's voter registration system ahead of the 2016 election

According to Toulouse Oliver, the Department of Homeland Security said Russian hackers attempted to gain access to election networks in 21 states, but there is no evidence that any votes were affected.

Wisconsin Elections Commission assistant administrator Meagan McCord Wolfe says the state is creating the security planning team to prepare for 2018 and in response to the ongoing national conversation about election security.

Washington's Secretary of State Kim Wyman told the Times the Department of Homeland Security on Friday "confirmed information her office previously shared with federal security officials a year ago".

Last summer, an IP address attempted, unsuccessfully, to find a weakness in Ohio's system, according to spokesmen with the OH secretary of state's office.

Other states that told The Associated Press they had been targeted include Alabama, Arizona, Colorado, Connecticut, Illinois, Iowa, Maryland, Minnesota, Oklahoma, Pennsylvania, Virginia, Washington and Wisconsin.

Haas says he is seeking more information from Homeland Security.

While U.S. officials had already claimed that the Russian government went after 21 states' voter registration systems, this is the first time that names have been publicly named.

National Security Agency documents leaked to The Intercept by contractor Reality Winner this spring said that hackers from Moscow's foreign intelligence agency are also believed to be behind cyberattacks a voting software company. "It's not an attack".

A special counsel is now investigating alleged ties between Russian Federation and the Trump presidential campaign and associates.

Trump, a Republican who defeated Democrat Hillary Clinton in the presidential election, has called the Russian Federation story a hoax.

Vanessa Coleman