The measures are to be announced Thursday, according to the official, who was not authorized to discuss the matter by name and spoke on condition of anonymity.
It was not immediately clear what, if any, other actions might be planned. Officials had previously said they expected to take actions both seen and unseen.
The sanctions, presumably intended to send a clear retributive message to Russia and to deter similar acts in the future, come amid an already tense relationship between the US and Russia.
President Joe Biden told Putin this week in their second call to de-escalate tensions following a Russian military buildup on Ukraine's border, and said the US would act firmly in defense of its national interests regarding Russian intrusions and election interference.
In a television interview last month, Biden replied I do when asked if he thought Putin was a killer. He said the days of the U.S. rolling over to Putin were done. Putin later recalled his ambassador to the US and pointed at the US history of slavery and slaughtering Native Americans and the atomic bombing of Japan in World War II.
It remained unclear whether the US actions would actually result in changed behavior, especially since past measures by the US have failed to bring an end to Russian hacking. The Obama administration expelled diplomats from the US in 2016 in response to interference in that year's presidential election. And though Trump was often reluctant to criticize Putin, his administration also expelled diplomats in 2018 for Russia's alleged poisoning of an ex-intelligence officer in Britain.
U.S. officials are still grappling with the aftereffects of the SolarWinds intrusion, which affected agencies including the Treasury, Justice, Energy and Homeland Security departments, and are still assessing what information may have been stolen. The breach exposed vulnerabilities in the supply chain as well as weaknesses in the federal government's own cyber defences.
The actions would represent the second major round of sanctions imposed by the Biden administration against Russia. Last month, the U.S. sanctioned seven mid-level and senior Russian officials, along with more than a dozen government entities, over a nearly fatal nerve-agent attack on opposition leader Alexei Navalny and his subsequent jailing.
(Only the headline and picture of this report may have been reworked by the Business Standard staff; the rest of the content is auto-generated from a syndicated feed.)
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