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Caveats: A Scalable Solution for Policy

Blog post from AuthZed

Post Details
Company
Date Published
Author
Jimmy Zelinskie
Word Count
1,176
Company Posts That Month
2
Language
English
Hacker News Points
-
Post removed?
No
Summary

I've extracted a summary of the text in one paragraph. Here's an overview of Authzed's SpiceDB authorization tooling: SpiceDB is a relationship-based system for implementing fine-grained permissions, inspired by internal systems at Google and Facebook. To address ABAC (Attribute-Based Access Control) limitations, Authzed introduced "caveats," which are functions defined using Google's CEL expression language, allowing for dynamic policies like "during these hours" or "with an IP addresses in this subnet." Caveats leverage SpiceDB's distributed caching layer, enabling instant evaluation of caveat expressions and meeting properties of scale and latency. This innovative approach aims to provide a scalable solution for secure, expressive permission systems that can handle complex use cases.

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