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Security Ship fearlessly on the open Internet Cloudflare's unified security platform blocks exploits, bots, and record-breaking DDoS attacks in seconds — backed by hundreds of Tbps of global capacity, giving you the comfort to focus on code-writing, not fire-fighting. Instant hardening Deploy enterprise-grade WAF, rate-limiting, mTLS, and Bot Management with a single DNS change — no agents, no appliances. Planet-scale defense The largest attacks on the planet, mitigated in under a minute. Our autonomous systems block multipe hyper-volumetric attacks every day. Single control plane One API and dashboard covers edge rules, logs, and analytics, and integrates with CI/CD for policy-as-code. Proven security infrastructure, protecting the Internet at scale The same security platform protecting 20% of the Internet — battle-tested across billions of requests and millions of attacks daily. Secure with the same primitives we use to defend our own network. 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Protects REST/GraphQL traffic and enforces client identity — no SDK required. Rate limiting Granular per-path policies block floods without hurting legit users. Automatic TLS & HTTP/3 Free, auto-renewed certificates and modern transport — security your users don't have to think about. Security analytics & logpush Real-time dashboards plus raw logs to R2/S3/SIEM for forensics and compliance proof. Page shield & content security Detect Magecart-style client-side tampering before customers' card data leaks. Zero Trust access Protect internal apps and developer tools with identity-based access, device posture checks, and single sign-on — no VPN required. Deploy security in minutes, not months Start with a single DNS change and scale to enterprise-grade protection. Security that scales with your business From startup to enterprise — the same security platform that protects 20% of the Internet. Discord " Discord is where the world builds relationships. Cloudflare helps us deliver on that mission, connecting our internal engineering team to the tools they need. With Cloudflare, we can rest easy knowing every request to our critical apps is evaluated for identity and context — a true Zero Trust approach. " Mark Smith Director of Infrastructure Powerful primitives, seamlessly integrated Build on the infrastructure powering 20% of the Internet. Cloudflare powers 1 in 5 sites on the Internet Trusted by the teams you trust. For Shopify, the real challenge is not about how many different pieces of complex technology we can use but the opposite. Cloudflare helps us find a simple way to achieve something very complex that we can scale and maintain. Duncan Davidson, VP of Developer Productivity, Shopify And thousands more... Compute Browser Run Automated browsers Containers Any language, anywhere Durable Objects Stateful compute Sandboxes Secure code execution Workers Global serverless functions Workers for Platforms Programmable Platform Solutions Workflows Process orchestration Storage Artifacts Git-native versioned storage D1 Serverless SQL Basin Ingest, catalog & query data Hyperdrive Global databases K2 Publish and subscribe to durable, ordered event streams Queues Message processing R2 Egress-free storage KV Ultra-fast key-value storage AI Agents Build stateful AI agents AI Gateway AI observability AI Search Instant retrieval Vectorize Vector database Workers AI Edge AI models SASE / Zero Trust SASE Cloudflare SASE platform Access Zero trust access to private resources CASB SaaS and cloud posture Data Loss Prevention Protect sensitive data Gateway Web filtering Browser Isolation Secure web browsing WAN Cloud-delivered networking Email Security Phishing protection Security DDoS Protection Mitigation Solutions Rate Limiting Abuse prevention SSL Secure Your Site with SSL Turnstile A CAPTCHA Replacement Solution WAF Web Application Firewall Magic Transit DDoS Protection for Networks Client-Side Security Prevent browser supply chain attacks Bot Management Block bad bots Network & Content Delivery CDN Faster delivery & caching DNS Fast DNS Load Balancing Zero downtime TURN / SFU Real-time infra Analytics Web Performance & Security Build without boundaries Join thousands of developers who've eliminated infrastructure complexity and deployed globally with Cloudflare. 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