 CrowdStrike told NBC it's in the process of rolling back the update that caused the issue and later said a fix for the defect had been deployed. CrowdStrike is actively working with customers impacted by a defect found in a single content update for Windows host. Mac and Linux hosts are not impacted. CEO George Kurtz said in a statement on X, this is not a security incident or cyber attack. The issue has been identified, isolated, and a fix has been deployed.