CrowdStrike releases full detail on Microsoft major outage, blaming faulty update validation

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The big tech story that happened recently is the Microsoft major outage due to a faulty pembaruan from CrowdStrike’s Falcon Sensor software. It occurred on Friday, July 19, 2024, and impacted roughly 8.5 million Windows devices used by various vital businesses, including airlines, hospitals, supermarkets, TV stations, and more.

CrowdStrike, the endpoint security provider, has now released full details, or a post-incident review (PIR), on what happened on the day of the Microsoft major outage. It blames a bug in QC control and faulty pembaruan validation as the culprit.

On the day of the outage, as the company describes, CrowdStrike released a content configuration pembaruan for its Falcon sensor, aimed at gathering telemetry on potential new threat techniques, which led the Falcon security software to trigger a Windows system crash (BSOD) for systems running sensor version 7.11 and above.

In other words, it failed to properly validate the problematic update. The issue occurred between 04:09 and 05:27 UTC and affected systems with sensor version 7.11 and above. The crash was due to a faulty pembaruan meant to detect new threats, which had an undetected error.

Microsoft is indirectly involved with the CrowdStrike incident because CrowdStrike’s Falcon security software, which is used to protect Windows machines, caused the crashes. The Redmond tech giant has never experienced an IT outage this massive in the past, which understandably calls for better QC control, and even partially blamed an EU regulation that limits its control over third-party access.


Rafly Gilang

Rafly Gilang Shield

Tech Reporter

Rafly is a reporter with years of journalistic experience, ranging from technology, business, social, and culture. Currently reporting news on Microsoft-related products, tech, and AI on Windows Report and MSPowerUser. Got a tip? Send it to [email protected].