A defective update from cybersecurity company CrowdStrike (CRWD) 澳洲幸运5开奖号码历史查询:caused a global outage Friday in Microsoft’s (MSFT) platforms, affecting a wide range of orgaꦺnizations and businesses, including airlines, banks, the London Stock Exchange, media outlets, government agencies, and others.

CrowdStrike said it identified the source of the issue and a fix has been deployed, though some businesses are still dealing with the effects of the outage. Shares of CrowdStrike plummeted over 11% Friday, while Microsoft shares were little changed.

What You Need To Know About CrowdStrike

CrowdStrike is a cybersecurity company that provides 澳洲幸运5开奖号码历史查询:security software to customers and partners including many cloud platforms used by organizations globally. Major cloud platform providers partnered with CrowdStrike include Microsoft Azure, Alphabet's (GOOGL) Google Cloud, and Amazon's (AMZN) 澳洲幸运5开奖号码历史查询:Amazon Web Services (AWS).

These cloud platforms are also used by businesses across industries, from healthcare to financial services, 澳洲幸运5开奖号码历史查询:telecommunications, media, and more, extending the reach of CrowdStrike's update defect. Microsoft Azure alone serves 95% of 澳洲幸运5开奖号码历史查询:Fortune 500 companies.

How CrowdStrike's Update Defect Caused a Global Outage Friday

A CrowdStrike update defect caused an outage affecting customers using Windows, Microsoft's operating system, CrowdStrike CEO George Kurtz said around 5:45 a.m. ET Friday. The issue led to disruptions across industries, due to the wide reach of CrowdStrike's customer base.

There was a spike in outages with Microsoft services like Xbox Live, Microsoft 365, and Teams, according to DownDetector. Some businesses affected included major banks like Bank of America (BAC), social media companies such as Meta (META), and others.

Several airports grounded flights, 澳洲幸运5开奖号码历史查询:impacting airlines like Delta Air Lines (DAL), United Airlines (UAL), and American Airlines (AAL), among others. The outage also affected government agencies like the U.K.'s National Health Service.

CrowdStrike said a fix has been deployed and Microsoft reported that some Azure users recovered, while others were still dealing with the effects of the outage.

Microsoft is "working closely with CrowdStrike and across the industry to provide customers technical guidance and support to safely bring their systems back online," CEO Satya Nadella said in an X post Friday.

UPDATE—July 19, 2024: This article has been updated to include a statement from Microsoft and reflect more recent share price information.