The cybersecurity company CrowdStrike was responsible for one of the most widespread IT outages worldwide, impacting numerous businesses and industries.

Several countries experienced disruptions in hospitals, public transportation, banks, and other critical systems due to a Microsoft-related software failure. Amid the peak travel season in Europe and the United States, this incident has affected essential infrastructure, causing delays and operational challenges across multiple sectors.

But what caused this issue? CrowdStrike, a leading cybersecurity firm that serves various industries worldwide, reported that the outage was triggered by an incompatibility issue with Microsoft’s Windows operating system.