Buttigieg's CISO resigns, leaving no known cybersecurity chiefs among the 2020 candidates

US-VOTE-ELECTION-BUTTIGIEG

South Bend, Indiana Mayor Pete Buttigieg, who is exploring a 2020 presidential candidacy greets a guest as he signs copies of his book "Shortest Way Home" at the University of Chicago on February 13, 2019 in Chicago, Illinois. (Photo by Joshua Lott / AFP) (Photo credit should read JOSHUA LOTT/AFP via Getty Images)

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Presidential candidate Pete Buttigieg has lost his campaign's chief information security officer, who cited "differences" with the campaign over its security practices.

Mick Baccio, who served under the former South Bend mayor's campaign for the White House, left his position earlier this month.

The Wall Street Journal first reported the news. TechCrunch also confirmed Baccio's resignation, who left less than a year after joining the Buttigieg campaign. It remains unclear exactly what specific issues Baccio had with the campaign's cybersecurity program.

"We thank him for the work he did to protect our campaign against attacks," said Buttigieg spokesperson Chris Meagher. The spokesperson said that the campaign had retained a new security firm, but would not say which company.

Baccio was the only known staffer to oversee cybersecurity out of all the presidential campaigns. News of his departure comes at a time just months to go before millions of Americans are set to vote in the 2020 presidential campaign.

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But concerns have been raised about the overall security posture of the candidates' campaigns, as well as voting and election infrastructure across the United States, ahead of the vote.

A report from a government watchdog last March said Homeland Security "does not have dedicated staff" focused on election infrastructure. Since then, security researchers found many of the largest voting districts are vulnerable to simple cyberattacks, such as sending malicious emails designed to look like a legitimate message, a type of tactic used by Russian operatives during the 2016 presidential election.

In October, Iran-backed hackers unsuccessfully targeted President 's re-election campaign.

Homeland Security hasn’t done enough to protect election infrastructure, says watchdog

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