https://www.reuters.com/article/us-usa-cyber-biden/white-house-cyber-adviser-says-it-will-take-months-to-investigate-russian-hack-idUSKBN2AH2J3

The White House's top cybersecurity adviser said on Wednesday an investigation into a sprawling Russian hacking operation against the United States, known as the SolarWinds hack, will take several more months to complete.