Yesterday’s global internet outage caused by single file on Cloudflare servers — unexpected file size caused catastrophic error, knocking out several major websites

November 19, 2025

, By Tom’s Hardware

Yesterday’s global internet outage caused by single file on Cloudflare servers — unexpected file size caused catastrophic error, knocking out several major websites

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Cloudflare, one of the biggest DDoS and security providers on the internet, suffered a major outage yesterday, knocking out several major websites, including X, OpenAI, and even some McDonald’s branches across the globe. Its chief technology officer has since apologized for the massive error, while its co-founder, Matthew Prince, has since released the details of the cause of the outage on the company blog.

Since Cloudflare is a web security outfit that protects a big chunk of the internet from DDoS…

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Yesterday’s global internet outage caused by single file on Cloudflare servers — unexpected file size caused catastrophic error, knocking out several major websites

November 19, 2025

, Published By Tom’s Hardware

Yesterday’s global internet outage caused by single file on Cloudflare servers — unexpected file size caused catastrophic error, knocking out several major websites

Cloudflare, one of the biggest DDoS and security providers on the internet, suffered a major outage yesterday, knocking out several major websites, including X, OpenAI, and even some McDonald’s branches across the globe. Its chief technology officer has since apologized for the massive error, while its co-founder, Matthew Prince, has since released the details of the cause of the outage on the company blog.

Since Cloudflare is a web security outfit that protects a big chunk of the internet from DDoS…

Disclaimer

We strive to uphold the highest ethical standards in all of our reporting and coverage. We StartupNews.fyi want to be transparent with our readers about any potential conflicts of interest that may arise in our work. It’s possible that some of the investors we feature may have connections to other businesses, including competitors or companies we write about. However, we want to assure our readers that this will not have any impact on the integrity or impartiality of our reporting. We are committed to delivering accurate, unbiased news and information to our audience, and we will continue to uphold our ethics and principles in all of our work. Thank you for your trust and support.

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Previous News

Get 10% off this essential snow clearing kit before the big flurry

Next News

Less Slop Please: TikTok Will Soon Let You Reduce How Many AI Videos Appear

Tom’s Hardware

More like this

Popular

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