The discovery in December 2020 of the SolarWinds supply chain compromise, a global computer intrusion campaign, caused organizations and security leaders to completely reassess their Cyber Threat Profiles, risk assessments, and defensive postures. It was a rare, watershed event that savvy security leaders and IT decision makers have been using to improve how security teams protect systems, networks, and data across industries and sectors, especially critical infrastructure. Two years later, we're looking back at the security incident, what we've learned, and how it continues to drive change across security teams and organizations.