# Security Benchmarking Authorization Policy Engines: Rego, Cedar, OpenFGA & Teleport ACD

DevFeed: [Security Benchmarking Authorization Policy Engines: Rego, Cedar, OpenFGA & Teleport ACD](<https://devfeed.tech/articles/security-benchmarking-authorization-policy-engines-rego-cedar-openfga-teleport-acd-29590.md>)

Original publisher: [Read original article](<https://goteleport.com/blog/benchmarking-policy-languages/>)

Author: info@goteleport.com (Mohamed Ouad, Doyensec)

Published: 2025-06-04T00:00:00Z

Content type: article

Language: en

Sources: [Teleport](<https://devfeed.tech/sources/teleport.md>)

Topics: [benchmarking](<https://devfeed.tech/topics/benchmarking.md>), [Authorization](<https://devfeed.tech/topics/authorization.md>), [Security](<https://devfeed.tech/topics/security.md>), [rego](<https://devfeed.tech/topics/rego.md>), [Open Policy Agent](<https://devfeed.tech/topics/open-policy-agent.md>), [Vulnerabilities](<https://devfeed.tech/topics/vulnerabilities.md>)

Tags: [authorization](<https://devfeed.tech/tags/authorization.md>), [benchmarking](<https://devfeed.tech/tags/benchmarking.md>), [opa](<https://devfeed.tech/tags/opa.md>), [open-policy-agent](<https://devfeed.tech/tags/open-policy-agent.md>), [performance](<https://devfeed.tech/tags/performance.md>), [rego](<https://devfeed.tech/tags/rego.md>), [security](<https://devfeed.tech/tags/security.md>), [vulnerabilities](<https://devfeed.tech/tags/vulnerabilities.md>)

## AI overview

This article introduces the Security Policy Evaluation Framework (SPEF), an automated testing and benchmarking system for evaluating authorization policy engines. It describes how SPEF assesses robustness, correctness, and performance across Rego, Cedar, OpenFGA, and Teleport ACD.

## Source excerpt

Explore how the Security Policy Evaluation Framework (SPEF) benchmarks Rego, Cedar, OpenFGA, and Teleport ACD for vulnerabilities, correctness, and performance.