Cloudflare Outage Causes Widespread Website Disruptions, Services Restored
Dec 5, 2025
Cloudflare, an internet infrastructure company, experienced a service outage on Friday that caused several major websites to go down. Affected sites included LinkedIn, Zoom, Canva, Shopify, crypto trading exchange Coinbase, and Anthropic's Claude AI chatbot.
The outage started shortly after 9am UK time and impacted Cloudflare's dashboard and software interfaces. Cloudflare identified the problem as a result of a planned change to its firewall, which was intended to address a recently disclosed industry-wide cybersecurity vulnerability. The company confirmed that this was not the result of an attack.
Cloudflare has since restored all impacted services. The issue led to a drop in Cloudflare's stock price by 4.5% in premarket trading.
What is Cloudflare and why is it important?
Cloudflare provides infrastructure services that help keep many websites online and secure. When it has issues, it can affect access to some of the world's most popular websites.
Why did so many websites go down?
A technical problem at Cloudflare, caused by a change to its firewall, disrupted the connection many websites rely on to stay online.
Was this outage caused by a cyberattack?
No, Cloudflare confirmed that the outage was not an attack, but was caused by an internal update to address a separate security issue.
Is the problem now fixed?
Yes, Cloudflare has restored all affected services and impacted websites are back online.
Sources
Global websites back online as Cloudflare issues fix for dashboard issue
CNBC
CNBC
Shares of the company were down 4.5% in premarket trading after global websites went down and Cloudflare said it was investigating.
Cloudflare Slips In Premarket After Brief Outage Hits Zoom, LinkedIn And Fortnit...
Forbes
Forbes
“This was not an attack; the change [to the platform's firewall] was deployed by our team to help mitigate the industry-wide vulnerability disclosed this week,” Cloudflare said in the status update.
Cloudflare restores services after minor dashboard outage
Reuters
Reuters
Cloudflare has restored impacted software services after a minor outage on Friday hampered access to crypto trading exchange Coinbase and Anthropic's artificial intelligence chatbot Claude AI.
Several websites down after Cloudflare outage
Skynews
Skynews
Several websites, including Linkedin, Zoom and Canva, went down this morning after new issues with internet provider Cloudflare.
Cloudflare stumbles again, breaking big chunks of the internet
Proactive Investors
Proactive Investors
A glitch at internet infrastructure firm Cloudflare knocked out a swathe of major websites on Friday morning, causing widespread outages for users trying to access services like LinkedIn, Zoom, Canva and Shopify. The issue began shortly after 9am UK time, when Cloudflare reported problems with its d...
Cloudflare Says It Resolved Services Issues Caused by Software Update
PYMNTS
PYMNTS
Cloudflare said Friday (Dec. 5) that it resolved an incident in which its network became unavailable for several minutes earlier in the day.
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