Biden administration preparing to sanction Russia for SolarWinds hacks and the poisoning of an opposition leader
Officials also are developing defensive measures aimed at making it harder for Russia and other sophisticated adversaries to compromise federal and private sector networks, said the officials, several of whom spoke on the condition of anonymity because of the matter’s sensitivity.
Part of the administration’s response, too, will be an attribution statement stronger than the one the intelligence community released in January saying that Moscow “likely” was behind the SolarWinds operation. A White House official said last week that the Russian campaign hit nine U.S. government agencies and about 100 private companies.
But the aim of the various measures, officials said, is to convey a broader message that the Kremlin for years has used cyber tools to carry out an array of actions…