Cloudflare: The Invisible Shield

Amir HILALY, Mathis RINGENBACH

Some context...

Problem -> Traditional servers expose IP

Visitor

Cloudflare

Website

User

Origin Server

Cloudflare

DDoS Mitigation

Cloudflare

DDoS attack

Users

WAF

November 18, 2025

Cloudflare

Cloudflare

Centralizes

Half the internet

Bibliography

Websites & Official Documentation

  • Cloudflare Global Network & Capacity, Cloudflare.com, 2024.
  • The Cloudflare Lava Lamps: Entropy & Encryption, Cloudflare Learning Center.
  • DDoS Threat Report 2024, Cloudflare Research.
  • Post-Mortem: The November 18th Availability Incident by Prince, Matthew (Cloudflare Blog), November 19, 2025

Articles

  • DemandSage, "Cloudflare Statistics 2025: Traffic, Users & Market Share", December 2025.
  • TechCrunch, "How Cloudflare grew to protect the internet", 2023.

deck

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