Zero Trust security at scale

Authorization for enterprise software and AI

Enforce fine grained, contextual, and continuous authorization in every layer of the software you build. Secure gateways, applications, and AI systems with powerful access control.

Talk to an engineer

Try Cerbos

Authorize every identity

Define, test, and iterate policies

Deploy and manage

Log and audit every decision

Authorization loved by engineers and leadership

For engineers

For managers

"Cerbos is plug and play. Developers can get Cerbos up and running in minutes. All the configuration fits into one little file. I can onboard a new developer to Cerbos in under an hour."

Steve High, Staff Engineer

End-to-end

Flexible authorization management

Manage permissions in policies instead of application code.

Scalable

Stateless by design

Achieve low latency, effortless scaling, and always up-to-date authorization decisions.

Reliable

CI/CD ready

Automate policy validation and deployment with GitOps testing and CI/CD integration.

Centralized

Unified policy administration

Define and update RBAC and ABAC policies from a single source.

Access control for every use case

Get a demo

AI authorization

Agentic systems

MCP server security

RAG authorization

Enterprise app authorization

Application permissions

Multi-tenant SaaS permissions

NHI authorization

Authorization software that scales with your business

Runtime

Event-time

Admin-time

Audit-time

Continuous

ABAC

RBAC

PBAC

Cloud-hosted

Self-hosted

On-premise

Air-gapped

Built for security and peace of mind

Control access for every identity, at any scale

if (
  user.email.includes("@mycompany.com") ||
  (
    user.company.package === "premium" &&
    user.groups.includes("managers")
  )
) {
  if (user.region === resource.region) {
    // access allowed
    AuditLog.record("ALLOWED", "edit", user, resource);
  } else {
    // access denied
    AuditLog.record("DENIED", "edit", user, resource);
  }
} else {
  // access denied
  AuditLog.record("DENIED", "edit", user, resource);
}

Before

After

if
(
await cerbos.isAllowed({ principal: user, resource, action: "edit" })
) {
  // allowed
}

Before

After

JavaScript

Python

Java

.NET

PHP

Rust

Ruby

Define your policies

Replace the spaghetti if/else case/switch code with a single function call.

Programmatic policy management

Create, update and manage policies using the Cerbos CLI or via API from your applications.

Flexible policy delivery

Deliver policies from from your existing Git provider, any CI/CD pipeline or directly from the Cerbos Hub interface.

Validate policy changes automatically

Run automated tests in Cerbos Hub’s CI pipeline before deploying to your Policy Decision Points.

if (
  user.email.includes("@mycompany.com") ||
  (
    user.company.package === "premium" &&
    user.groups.includes("managers")
  )
) {
  if (user.region === resource.region) {
    // access allowed
    AuditLog.record("ALLOWED", "edit", user, resource);
  } else {
    // access denied
    AuditLog.record("DENIED", "edit", user, resource);
  }
} else {
  // access denied
  AuditLog.record("DENIED", "edit", user, resource);
}

Before

After

if
(
await cerbos.isAllowed({ principal: user, resource, action: "edit" })
) {
  // allowed
}

Before

After

JavaScript

Python

Java

.NET

PHP

Rust

Ruby

Cerbos authorization in action

Documentation

See how Cerbos works

Cerbos provides end-to-end authorization with three core components: a Policy Decision Point, Enforcement Point SDKs, and a centrally managed Policy Administration Point (Cerbos Hub).

2.2k

< 1 ms decision time

Cerbos PDP

Policy Decision Point

Cerbos PDP is an open source authorization engine that evaluates and applies fine grained, contextual access control.

Native SDKs

Cerbos PEP SDK

Policy Enforcement Point

Cerbos SDKs enforce real-time access decisions, connecting directly to the PDP for seamless in-app enforcement.

Authorization management

Cerbos Hub

Policy Administration Point

Cerbos Hub is the central control plane for policy management, testing, deployment and compliance visibility.

Developer-ready integrations

Works with your existing tools, workflows, and infra

Try Cerbos playground

Explore all integrations

Flexible policy sources

Add policies from any Git provider, any CI/CD tool, Cerbos Hub API, cerbosctl CLI, direct UI upload.

SDKs and integration for every stack

Use SDKs for JS, Go, Python, Java, .NET, Rust, PHP, and Ruby, plus integrations for AI frameworks, vector databases, and MCP servers.

Deployment targets

Deploy to Cerbos PDPs in containers, serverless, edge, or multi-region clusters.

Compliance ready audit logs

Ensure Zero Trust, compliance and audit readiness for FedRAMP, SOC 2, SOC 3, ISO 27001, HIPAA, PCI DSS, and GDPR.

Recognized by the community

Award-winning technology, built for security and scale

With a strong open source foundation, active AuthZen membership, and multiple industry awards, Cerbos has been recognized as a secure and reliable authorization software since 2021.