In a report published this Saturday (20), Microsoft confirmed that the well-known “cyber blackout” last Friday affected approximately 8.5 million Windows PCs.
The company’s note states:
“We currently estimate that the problematic CrowdStrike update affected 8.5 million Windows devices, which is less than one percent of all Windows machines.”
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Microsoft also mentioned that, within the universe of Windows PCs, 1% is a small percentage. However, the issue was serious because the affected computers belong to large companies across various market segments, including airports, banks, governments, and carriers.
The company’s note continues:
“While the percentage was small, the broad economic and social impacts reflect the use of CrowdStrike by companies running many critical services.”
In the note, Microsoft also explained that it worked with CrowdStrike to develop a solution that speeds up the correction of the problem. This solution is being implemented in Azure, as well as in Amazon and Google clouds.
Microsoft predicts that by Monday (22), all affected PCs will be working normally. Meanwhile, the air travel market has been working to return to normal after experiencing delays worldwide.