Trump and Biden at Trump's inauguration in 2017, one of their few appearances together.
MARK RALSTON/AFP/Getty Images
  • Hackers from outside the United States are targeting the campaigns of both Joe Biden and Donald Trump, according to a new report from Microsoft.
  • Hackers linked to Russia, China, and Iran are behind the attacks and are trying to spy on campaign officials from both parties, Microsoft VP for Security Tom Burt said Thursday.
  • The attackers include the same group of Russian hackers who successfully hacked Hillary Clinton's 2016 campaign and leaked emails from her top aides.
  • Visit Business Insider SA's homepage for more stories.

Hackers linked to Russia's military intelligence unit have "attacked more than 200 organizations including political campaigns, advocacy groups, parties and political consultants" ahead of the general election, according to a new Microsoft report published Thursday.

Hackers linked to China and Iran have also ramped up their interference activities, the report found.

Strontium, the Russia-linked group, was responsible for the 2016 hack of the US Democratic National Committee as part of a wide-ranging effort to interfere in the American presidential election and propel Donald Trump to the Oval Office, the report said.

The finding was previously confirmed in the special counsel Robert Mueller's final report on Russia's interference in the 2016 election. Strontium is alternatively known as Fancy Bear and is the primary hacking unit of the GRU, Russia's military intelligence outfit.

Hackers with ties to China have mostly targeted members of Biden's campaign, while Iran-linked hackers have targeted Trump campaign officials, Microsoft VP for security Tom Burt said in a blog post.

Microsoft monitors hacking attempts through security products that it sells, including its "Defending Democracy" program launched in 2018 that caters specifically to political organisations. The company said it notified all affected clients of the attempted hacks, adding that the scale of attacks is larger than Microsoft has detected in recent years.

"The activity we are announcing today makes clear that foreign activity groups have stepped up their efforts targeting the 2020 election as had been anticipated," Burt wrote.

Zirconium, the hacking cell linked to China, "appears to have indirectly and unsuccessfully targeted the Joe Biden for President campaign through non-campaign email accounts belonging to people affiliated with the campaign. The group has also targeted at least one prominent individual formerly associated with the Trump Administration," the report said.

Microsoft's findings about China-linked hackers appear to contradict a US intelligence assessment last month that said China wants Biden to win the election.

The report also comes on the heels of an explosive whistleblower complaint from Brian Murphy, a former senior US Department of Homeland Security official who alleged that he was asked to suppress intelligence about Russian election interference and instead look into China and Iran.

In mid-May, Murphy said, acting DHS secretary Chad Wolf told him not to produce any more intelligence assessments about Russia and focus on China and Iran instead. He added that Wolf told him "these instructions specifically originated from White House National Security Advisor Robert O'Brien." Murphy replied that he would not comply with O'Brien's order because "doing so would put the country in substantial and specific danger."

Microsoft's report said it hadn't found evidence that foreign hacking efforts this year were successful but added that it was difficult to be sure, particularly as it relates to Russia, according to The New York Times.

Thursday's report also comes just days after the Office of the Director of National Intelligence informed the US Congress that it will no longer verbally brief lawmakers on foreign election interference threats ahead of November.

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