Cloudflare chief executive officer (CEO) Matthew Prince has confirmed that the global internet outage on 18 November 2025, an incident that disrupted major services including X, ChatGPT, Canva, Discord and thousands of websites worldwide, was not triggered by a cyberattack, but by an internal configuration error that spiralled into one of the most serious failures in the company’s recent history. Mr Prince apologised to customers and the broader internet community, saying, “Given Cloudflare’s importance to the Internet ecosystem, any outage of any of our systems is unacceptable. We know we let you down today.” In a detailed postmortem published hours after services were restored, Mr Prince explained that the problem began with a routine change to permissions on a ClickHouse databa

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