Comprehensive protection against cyber attacks
Multi-vector attack defense
Cloudflare can protect you against DDoS, ransomware, identity or access, network, web and application attacks.
Unified security & performance
DDoS + WAF + CDN and other security and performance functions are all built on the same global network. Deploy in minutes, not weeks.
Zero Trust security
Keep known and unknown threats away from your apps, user devices, network, and email accounts. Threat intelligence derived from 1+ trillion daily DNS requests.
Largest global DDoS mitigation network
Cloudflare's network has 330+ data centers across the globe. That's five times more than key competitors. Block DDoS attacks of any size and kind.
How we mitigate active attacks
Rapid onboarding & diagnosis
A Cloudflare security specialist reaches out quickly, gathers details about your infrastructure and traffic, and confirms the attack vectors in scope.
Mitigation strategy & controls
We work with you to deploy the right mitigations for your attack surface—rate limiting, WAF rules, DNS, network protections, and Zero Trust controls where needed.
Remediation, validation & monitoring
Validate that traffic has returned to normal, plan remediation with your teams, and keep visibility on affected properties until protections are steady state.
Take the fast path to safe AI adoption
Why enterprises choose Cloudflare
Massive network scale
Easy setup & guided onboarding
Integrated security & performance
24/7 email & phone support
100% uptime reliability
Developer friendly
Discord
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Knowing that we don’t have to worry about DDoS attacks against our API and gateway servers gives us the peace of mind to focus on improving our product. "
Trusted by millions of Internet properties
Build without boundaries
Join thousands of developers who've eliminated infrastructure complexity and deployed globally with Cloudflare. Start building for free — no credit card required.