Firewall as a Service: Cloudflare vs Zscaler for Cloud-Based Firewall Protection
Cloudflare is usually the sharper choice for teams that want simple cloud firewall protection tied to web apps, APIs, DNS, and edge networking, while Zscaler is better for large enterprises that need deep user traffic inspection across many offices, devices, and private apps. Both can replace pieces of old perimeter security. They just solve the problem from different angles.