An excellent article concerning the Solarwinds hack and the threat going forward
" On Monday morning, the world woke up to some rather earth-shattering news. Many US Government agencies - including many that are concerned with National Security - were successfully attacked by a nation-state actor. Coming on the heels of an attack against a major cybersecurity equipment and software vendor, this news immediately set of alarm bells throughout the world; as if security agencies and companies could be attacked, what is to stop anyone else from becoming a victim? The attack is fairly complex, and details are still not entirely known as of the date of this writing (December 14, 2020); leading to a great deal of fear and uncertainty in the greater technology world, and even more confusion over what happened. What we do know is that SolarWinds fell victim to a highly sophisticated attack that left their customers vulnerable to further threat activity. Let's take a look at the situation at a high level to describe what it is that these news stories and disclosures are telling us."
https://blog.cymulate.com/solarwinds-attack/