5 observations from an expert on what may be 'the most consequential cyberattack against the US to date'

A SolarWinds banner at the New York Stock Exchange on the day of the company's IPO, October 19, 2018.
Reuters/Brendan McDermid
US officials now widely believe that Russian state-sponsored hackers are responsible for what's being called the Sunburst attack against numerous important US businesses and government agencies.
The immediate effects will be difficult to judge, and a complete accounting of the damage is unlikely, but here are five observations that cybersecurity experts can make so far.