Cloud Custodian vs Prowler
On the evidence we track, Prowler leads this comparison with a composite score of 75/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for cloud security software. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Cloud Custodian
Automates and enforces policies across cloud infrastructure defined as code
Prowler
LeaderAn open-source and managed platform that automatically scans cloud environments for security misconfigurations and compliance violations. Offers multiple deployment options—cloud-hosted, self-hosted, or air-gapped—with 2,500+ checks, customizable compliance frameworks, remediation guidance, and integrations with security and workflow tools.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Prowler
LeaderFree trial and open-source options. Managed SaaS from $99/cloud account/month. Private Cloud pricing available on quote.
- Free TrialFree
- All checks and compliance frameworks
- Cloud infrastructure posture scanning
- Access to Prowler Hub
- SOC 2 Type 2 assurance
- Prowler Cloud$99/cloud account/month; 20% discount with annual billing
- Continuous compliance across 70+ frameworks
- Onboard whole AWS Organizations, Azure Management Groups, GCP Organizations
- Jira, Slack and email alerts
- SAML SSO and API access
- Enterprise support
- +5 more
- Prowler Private CloudContact sales
- Deployment in customer's cloud, data center or air-gapped environment
- Data residency of choice and unlimited resources
- Private Registry for custom providers, checks and frameworks
- AWS Security Lake (Parquet) and custom SIEM integration
- White glove onboarding
- +3 more
- Open SourceFree
- 2,500+ checks across all cloud providers
- Run from terminal, CI/CD pipeline or Kubernetes
- All public compliance frameworks
- Custom checks and frameworks support
- Optional integration with Prowler Cloud
- +1 more
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
- Terraform
- Slack
Cloud Custodian
- AWS CloudWatch Events
- AWS Config Rules
- Azure EventGrid
- GCP AuditLog
- GCP Pub/Sub
- EC2 Systems Manager Automation
Prowler
Leader- AWS
- Microsoft Azure
- Google Cloud
- Kubernetes
- GitHub
- Microsoft 365
- Oracle Cloud
- Alibaba Cloud
- Cloudflare
- OpenStack
- AWS Security Hub
- Jira
- Microsoft Power BI
- AWS Security Lake
- Censys
- GitHub Code Scanning
- AWS CloudFormation
- Custom SIEM
- Power BI
- GitHub Actions
- Vercel
- Claude Code
Cloud Custodian or Prowler: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.