 CrowdStrike is used by most of the major airlines in America and around the world. CrowdStrike put out a system update that crashed every system running on Microsoft Outlook. It's not Microsoft's fault. It's CrowdStrike's fault. And CrowdStrike has paralyzed a great swath of the airlines, many media companies, many other industries around the world in a variety of places like banks and scores of other businesses and services use CrowdStrike for cybersecurity.