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Russian Hackers Broke Into Federal Agencies, U.S. Officials Suspect

In one of the most sophisticated and perhaps largest hacks in more than five years, email systems were breached at the Treasury and Commerce Departments. Other breaches are under investigation.

The Treasury Department was one of the agencies targeted by the hackers.Credit...Patrick Semansky/Associated Press

The Trump administration acknowledged on Sunday that hackers acting on behalf of a foreign government — almost certainly a Russian intelligence agency, according to federal and private experts — broke into a range of key government networks, including in the Treasury and Commerce Departments, and had free access to their email systems.

Officials said a hunt was on to determine if other parts of the government had been affected by what looked to be one of the most sophisticated, and perhaps among the largest, attacks on federal systems in the past five years. Several said national security-related agencies were also targeted, though it was not clear whether the systems contained highly classified material.

The Trump administration said little in public about the hack, which suggested that while the government was worried about Russian intervention in the 2020 election, key agencies working for the administration — and unrelated to the election — were actually the subject of a sophisticated attack that they were unaware of until recent weeks.

“The United States government is aware of these reports, and we are taking all necessary steps to identify and remedy any possible issues related to this situation,” John Ullyot, a spokesman for the National Security Council, said in a statement. The Department of Homeland Security’s cybersecurity agency, whose leader was fired by President Trump last month for declaring that there had been no widespread election fraud, said in a statement that it had been called in as well.

The Commerce Department acknowledged that one of its agencies had been affected, without naming it. But it appeared to be the National Telecommunications and Information Administration, which helps determine policy for internet-related issues, including setting standards and blocking imports and exports of technology that is considered a national security risk.

It was a measure of the sudden panic sweeping federal offices that the Department of Homeland Security ordered all agencies late Sunday night to shut down any use of a complex piece of network management software made by a company called SolarWinds and installed on networks belonging to government agencies and American corporations.


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