A global IT outage caused by a faulty update from cybersecurity firm CrowdStrike led to widespread disruptions across multiple sectors, including airlines, healthcare, and public transportation. The update, which affected Microsoft's operating systems, resulted in grounded flights, delayed trains, and interrupted 911 services, among other issues. Experts have highlighted the risks of excessive centralization and single-point failures in IT systems, calling for incremental software updates and built-in redundancies to mitigate such risks. Despite CrowdStrike quickly identifying and addressing the issue, the outage triggered ongoing chaos at major airports and other critical services worldwide. The incident underscores the profound dependencies modern society has on IT infrastructure and the need for robust risk management strategies to prevent similar future events.