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Microsoft has suffered a service outage due to a failure in an update to the CrowdStrike cybersecurity platform.
This led to multiple incidents across a range of services globally, including banks, airlines and media outlets.
The issue was reported on outage monitoring website Downdetector and the Microsoft Azure status page.
The company explained there that the problems with the technology company’s services began to occur during the night of July 18 in the United States, specifically around midnight.
These problems include failures in service management operations and in the connectivity or availability of the companies’ services, he said. Microsoft.
However, the company also said that they are aware of the issue and have involved multiple teams to mitigate the failure.
As explained, in the case of Microsoft Azure, they have identified that a back-end cluster management workflow implemented a configuration change that caused back-end access to be blocked between a subset of Azure Storage clusters and computing resources in the central US region.
This caused computing resources to be automatically restarted when connectivity to the virtual disks was lost.
However, Microsoft said that most services “have already recovered.” It added that the remaining subsets of services that “still experience a residual impact” will be resolved.
Microsoft falls worldwide
Despite all this, the widespread failure of Microsoft services is attributed to the Crowdstrike antivirus platform, which is a Microsoft service provider, and which, as reported through an alert on its platform, suffered a failure caused by an update.
According to Crowdstrike in the notification, published this Friday around 8 a.m. and shared by some users on X, this is a bug that can cause “a blue screen or bug check error related to the Falcon sensor.”
The latter is a software designed to prevent cyber attacks on computer systems.
The company later issued another alert explaining that the update that caused the problem has now been identified and reverted.
The tech company also shared a workaround for customers experiencing issues with its Crowdstrike service.
Although the problem started in the United States, airports, airlines, media and banks from several countries also reported the failure.
Specifically, companies such as AENA, Ryanair, Air Europa, Vueling, Iberia, Sky News, Europa Press and Bizum, among others, have reported incidents.