Microsoft outages caused by CrowdStrike software glitch paralyze airlines, other businesses

Banks, airlines, television networks and health systems around the world that rely on Microsoft 365 apps were hit by widespread outages early Friday linked to the company CrowdStrike.

 

Thousands of flights and train services were canceled globally, including more than 1,800 in the U.S., and there were disruptions to many other public and retail services.

Here’s what we know about the outages:

What caused the global Microsoft outages?

The issue was caused by a technical problem that global cybersecurity firm CrowdStrike said it had identified in its software and was working to resolve. CrowdStrike provides antivirus software to Microsoft for its Windows devices.

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