Microsoft: 8.5 million computers affected by global IT failure

Published on July 21, 2024

Microsoft reports that 8.5 million computers worldwide have been affected by the CrowdStrike breach. This is the largest cyber incident in history, surpassing the 2017 WannaCry attack that affected 300,000 computers.​​​

Microsoft claims that it estimates that 8.5 million computers worldwide have been disabled as a result of a global IT system failure. The failure was the fault of CrowdStrike, which sent a corrupted software update to a huge number of its customers, the BBC reports, according to UNN.

Details

In a statement, David Weston, a vice president at Microsoft, said that this number represents less than 1% of all Windows machines in the world, but “the broad economic and societal implications reflect the use of CrowdStrike by enterprises running many critical services.

The tech giant, which emphasized that this is not a problem with its software, says the incident highlights how important it is for companies like CrowdStrike to use quality control on updates before they are sent out.

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