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The CrowdStrike disaster is a lesson about testing

What’s been dubbed the world’s biggest IT outage should be a wakeup call to the industry.
July 29, 2024

It grounded planes, shut down banks, and took radio stations off the air. It will likely cost some of the world’s biggest companies $5 billion or more in damages. And it has hit the share price of CrowdStrike, wiping billions off the valuation of the endpoint security company almost overnight. 

What was dubbed the world’s biggest IT outage two weeks ago now has an initial post-mortem, with CrowdStrike blaming a bug in its testing software for not properly validating the update that went worldwide in its Falcon software and took down some 8 million Windows machines.

“Due to a bug in the Content Validator, one of the two Template Instances passed validation despite containing problematic content data,” the company said.

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