https://www.theguardian.com/technology/2021/jan/05/russians-likely-perpetrators-us-government-hack

Multi-agency report is the Trump administration’s first statement of attribution for the breaching of at least 10 federal agencies

Russia was “likely” to have been behind a string of hacks of US federal agencies identified last month, according the office of the US director of national intelligence which said the hackers breached fewer than 10 federal agencies.