Russia was behind a massive cyberattack against a satellite internet network that took tens of thousands of modems offline at the onset of Russia-Ukraine war, the United States, Britain, Canada, Estonia and the European Union said Tuesday.

The digital assault against Viasat's KA-SAT network in late February took place just as Russian armor pushed into Ukraine. U.S. Secretary of State Antony Blinken said the cyberattack was intended "to disrupt Ukrainian command and control during the invasion, and those actions had spillover impacts into other European countries."

British Foreign Secretary Liz Truss called the satellite internet hack "deliberate and malicious," and the Council of the EU said it caused "indiscriminate communication outages" in Ukraine and several EU member states.