Introducing API Shield
Oct 1, 2020Patrick R. Donahue, Daniele Molteni

Summary
This post introduces Cloudflare API Shield, a new offering that combines client certificate-based identity and schema-based validation for API security. It details the implementation of a positive security model, the process of issuing client certificates using CFSSL, and demonstrates a practical application using Cloudflare Workers and Workers KV for an IoT temperature sensor and an iOS mobile application. The post also announces the upcoming support for gRPC-based APIs.
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