Chinese hackers steal 60,000 US State Department emails in Microsoft hacking incident

Chinese hackers who subverted Microsoft’s email platform earlier this year managed to steal tens of thousands of emails from US State Department accounts, a Senate staffer told Reuters on Wednesday.

The staffer, who attended a briefing of State Department IT officials, said the officials told lawmakers that 60,000 emails were stolen from 10 different State Department accounts. Although the victims weren’t named, all but one of them was working on East Asia and the Pacific, he said.

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The staffer, who works for Senator Eric Schmitt, shared the details of the briefing on condition that he not be identified by name.

Allegations that China hacked the State Department - along with two dozen other, mostly still unidentified organizations - have strained an already tense US-China relationship; Beijing has denied being behind the spying.

The hack has also refocused attention on Microsoft’s outsize role in providing IT services to the American government.

“We need to harden our defenses against these types of cyberattacks and intrusions in the future,” Schmitt said in a statement shared by the staffer in an email to Reuters following the briefing.

“We need to take a hard look at the federal government’s reliance on a single vendor as a potential weak point,” he said.

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