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A major internet outage affecting services like ChatGPT, Spotify, and X occurred due to a critical flaw in Cloudflare’s infrastructure. The company swiftly identified the issue and resolved it within two hours, attributing the problem to a latent bug that triggered a cascading failure. Cloudflare’s CTO, Dane Knecht, acknowledged the outage caused significant disruption and vowed to prevent future incidents. The incident highlights the fragility of global internet reliance on a few key providers, with Cloudflare serving 20% of websites. Lorenzo Franceschi-Bicchierai’s report underscores the risks of infrastructure vulnerabilities impacting billions of users.

Key facts

  • A latent bug in Cloudflare’s bot mitigation system caused a widespread internet outage affecting major platforms.
  • Cloudflare resolved the issue within two hours after detecting it via its status page monitoring.
  • The bug went undetected during testing and only triggered after a routine configuration update.
  • The outage exposed the internet’s dependence on a small number of infrastructure providers like Cloudflare.
  • Cloudflare’s DDoS protection services ironically failed during an outage that disrupted website accessibility.
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