Cloudflare CTO reveals cause behind big outage, clarifies it was 'not an attack'
Posted on: Nov 18, 2025 20:27 IST | Posted by: Hindustantimes
Cloudflare CTO Dane Knecht took to societal media to call the widespread outage.
“I won’t soften words: before today we failed our customers and the broader cyberspace when a problem in @Cloudflare network impacted large amounts of traffic that rely on us. The sites, businesses, and organizations that rely on Cloudflare depend on us being available and I apologize for the impact that we caused,” he said.
“Transparency about what happened matters, and we plan to share a breakdown with more details in a few hours. In short, a latent bug in a service underpinning our bot mitigation capability started to crash after a routine configuration change we made. That cascaded into a broad degradation to our network and other services. This was not an attack,” he added.
“That issue, impact it caused, and time to resolution is unacceptable. Work is already underway to make sure it does not happen again, but I know it caused real pain today. The trust our customers place in us is what we value the most and we are going to do what it takes to earn that back.”
“A fix has been implemented and we believe the incident is now resolved. We are continuing to monitor for errors to ensure all services are back to normal,” Cloudflare updated.
However, it added that some users may still be facing issues.
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