Cloudflare

Primary DomainZero Trust, DDoS & Cloud Security

HeadquartersSan Francisco, California, USA

Founded2009

DeploymentAnycast Global Edge Network, Cloudflare WARP Client, Cloudflare One SASE

Vendor & Platform Overview

Cloudflare protects and accelerates millions of web properties across a global Anycast network spanning over 330 cities in more than 120 countries. Through Cloudflare One, its comprehensive Secure Access Service Edge (SASE) and Zero Trust platform, Cloudflare combines unmetered DDoS mitigation, Web Application Firewall (WAF), secure web gateway (SWG), and DNS filtering to protect enterprise workforces and critical digital assets.

Architecture & Detection Telemetry

Cloudflare's architecture executes security logic directly on every server in every data center across its global Anycast network. Through V8 isolate workers, eBPF packet processing, and global threat telemetry derived from roughly 20% of all public web traffic, Cloudflare inspects traffic within milliseconds of origin. Endpoints leverage the Cloudflare WARP client to tunnel corporate traffic via WireGuard protocols into the nearest Cloudflare edge for policy enforcement.

Mitigated Threat Types & Incident Playbooks

Targeted malware classifications and primary attack vectors defended by Cloudflare's security stack:

Volumetric & Application-Layer DDoS →Credential Stuffing & Automated Scraping →Web Application Exploitation (SQLi, XSS, RCE) →Malicious DNS Tunneling & Phishing Sites →

SOC Incident Response & Containment Workflow

Recommended operational sequence for security operations teams triaging alerts generated by Cloudflare:

When targeted by active volumetric or application-layer attacks, SOC teams activate Cloudflare Under Attack Mode and deploy custom WAF rules via the Cloudflare API within seconds. For compromised workforce endpoints, analysts leverage Cloudflare Access to revoke active session authorization, invalidate device posture certificates, and route affected traffic into an isolated Remote Browser Isolation (RBI) sandbox.

Enterprise Security Products

Cloudflare One (SASE/Zero Trust)
Magic Transit
Kivera (Cloud Security)

Consumer Security Products

1.1.1.1
Cloudflare WARP

Other Products & Solutions

Non-catalog offerings, enterprise IT platforms, and consumer productivity solutions provided by Cloudflare:

Cloudflare Global CDN (Anycast edge caching and web performance optimization)
Cloudflare Workers & Pages (Serverless JavaScript/WASM edge computing and frontend hosting)
Cloudflare 1.1.1.1 Public DNS Resolver (Fast, privacy-respecting recursive DNS routing)
Cloudflare Registrar (At-cost wholesale top-level domain registration)
Cloudflare R2 Storage (S3-compatible distributed object storage with zero egress fees)
Cloudflare Stream (Live streaming delivery and adaptive video transcoding pipeline)

Frequently Asked Questions

How does Cloudflare mitigate massive multi-terabit DDoS attacks without downtime?

Cloudflare utilizes Anycast routing to distribute incoming attack traffic across its entire 300+ Tbps global network capacity, where automated eBPF/XDP software filters drop attack packets at the network edge before they reach client origin servers.

What is Cloudflare Remote Browser Isolation (RBI)?

Cloudflare RBI runs web page code inside disposable cloud containers on Cloudflare's edge, sending only interactive vector stream drawings to the user's browser, completely neutralizing zero-day browser exploits and malicious scripts.

Does Cloudflare provide DNS security for enterprise networks?

Yes. Cloudflare Gateway delivers secure recursive DNS filtering, blocking malware domains, phishing sites, and DNS tunneling attempts while enforcing cryptographic DNS-over-HTTPS (DoH) inspection.