ET Explains: How a faulty Microsoft Windows update by CrowdStrike led to havoc

Microsoft's Windows devices experienced a severe outage on Friday due to a faulty update by CrowdStrike, a Texas-based cybersecurity company that manages end-point security for various companies. CrowdStrike's update, intended to increase protection features, ran into a conflict with Microsoft's cloud service infrastructure, causing devices to display the blue screen of death message.