An extremely large-scale cascade of failures from the United States to Asia occurred after Microsoft Corp. reported a failure in its online services, in particular in the Azure and 365 online services. Some of the problems were caused by the CrowdStrike cybersecurity software UNN reports with reference to Bloomberg.
McDonald's Corp., United Airlines Holdings Inc. and LSE Group were among the large companies that reported various communication and customer service issues. These companies were the most visible of the many corporations from Japan to India to the United States that reported problems in their operations. It is unclear what caused the problems, which coincided with Microsoft's outage.
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Several newspapers have reported that at least some of the problems were caused by CrowdStrike Holdings Inc.'s cybersecurity software. Australian company AGL Energy Ltd. said in a post on its X website that it is currently experiencing systemic problems due to the CrowdStrike outage.
A Microsoft spokesperson said that the company is looking into the situation, while CrowdStrike representatives have not yet commented on the situation.
The first outages were reported in the United States late Thursday night, blamed on a malfunction of Microsoft services, including Azure and 365.
The LSE Group, which runs the London Stock Exchange, said it was experiencing global technical problems that prevented it from publishing news. In Asia, in the afternoon, Japanese users began to report failures in services, including Microsoft 365, the company's online office suite. Airlines in Mumbai and Hong Kong airports returned to manual check-in.
The latest outages occurred just after Microsoft said it had fixed the problems in its Azure cloud services. Earlier, the company's status pages stated that Azure and Microsoft 365 had been experiencing problems for several hours.
Major US airlines asked to stop all flights due to communication problems19.07.24, 10:22