In July 2023, we witnessed a large-scale global breakdown impacting over 8.5 million Microsoft users. The reason? A software update that turned into chaos. Leading cybersecurity company CrowdStrike recently published its root cause analysis, providing insights on the incident. Let’s understand what happened.
The Global IT Outage
The incident started with a routine software update. Microsoft users worldwide were waiting for new features and security updates. But an update had a secret landmine- a hidden sensor within CrowdStrike’s Falcon software.
The Repercussions
The damage was sudden and severe. Organizations stopped working, government agencies had problems, and important services were hindered. The breakdown underscored our reliance on tech and the downside of interconnected systems.
The Root Problem
Sensor Defect
CrowdStrike’s Falcon software overlooks network security, identifying threats and anomalies. The fault sensor was in the update and triggered a chain reaction. It misunderstood genuine traffic as suspicious, which led to worldwide chaos.
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