Global Windows system crashes on Friday, requiring manual recovery one by one.

On July 19th local time, a software update from CrowdStrike, the American security software giant, caused the "worst IT failure in history", causing millions of Windows systems to crash globally. The normal operation of almost all industries has been impacted and affected enterprises and users around the world cannot access normally.

According to the opinion of Adam Leon Smith, a member of the British Computer Society quoted by the media, the impact of the Crowdstrike incident "may take several days or even weeks" to recover.

According to Crowdstrike's official explanation, this large-scale system crash was caused by the failure of its Falcon sensor software update. Microsoft said in a blog post on Saturday: "According to our current estimate, CrowdStrike's update has affected 8.5 million Windows devices, less than 1% of the total number of devices worldwide."

However, considering the widespread deployment of Crowdstrike security software worldwide, the impact of the incident is obviously deeper. For example, 1,848 flights worldwide have been canceled in this incident, affecting areas such as the United States, Australia, India, and Canada.

According to relevant data, by the end of 2023, Crowdstrike has more than 29,000 enterprise customers, and its official claim is that its software is used by more than half of the Fortune 500 companies. IT consulting firm Gartner's analyst Neil MacDonald pointed out: "Such a widely deployed security agent should protect devices, but it caused devices to crash, which is the first time in history."

It is reported that the only way to solve this problem now is to restart the computer and manually delete CrowdStrike's erroneous file update. This operation requires manual access to each device. For large enterprises with thousands of Windows devices, it may take days or even weeks to complete.

"This software supplier is so large and so highly connected that any mistakes may cause damage to the global economic system. This may attract more political and regulatory scrutiny," said Citigroup analyst Fatima Boolani in a report.

Ian Batten, a lecturer in the School of Computer Science at the University of Birmingham, pointed out that this IT accident can actually be prevented through a "pre-test", and it seems that someone made a mistake with "a little code" this time.

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Editor/Emily