Cloudflare explains the mistake that took down large chunks of the internet yesterday<div class="feat-image">

</div><p>Huge chunks of the internet were <a href="
https://9to5mac.com/2025/11/18/many-apps-and-websites-are-offline-right-now-including-x/" target="_blank" rel="noreferrer noopener">completely unavailable yesterday[/url], with many other websites and services experiencing slow performance. It was immediately clear that the problem was with the Cloudflare network, but it took some time for the company to establish the true cause.</p>
<p>Cloudflare says that it initially believed it was experiencing a massive <a href="
https://9to5mac.com/guides/security/" target="_blank" rel="noreferrer noopener">cyber-attack[/url], but subsequently realized the problems were caused by a “painful” error with a software update …</p>
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https://9to5mac.com/2025/11/19/cloudflare-explains-the-mistake-that-took-down-large-chunks-of-the-internet-yesterday/#more-1028986" class="more-link">more
Cloudflare explains the mistake that took down large chunks of the internet yesterday