Shieldly vs AWS Config: PR-Time IAM Analysis vs Continuous Config Rules

AWS Config is an AWS-native service that continuously records the configuration of your resources and evaluates managed or custom rules against them, with optional auto-remediation. It is the backbone of continuous compliance in many AWS accounts. Shieldly is an AI-Powered analyzer that explains why a specific IAM policy, resource policy, or CloudFormation template is risky and hands back the tightened version — free, no signup, at the moment the policy is written. They sit at opposite ends of the timeline, and most teams benefit from both.

What AWS Config Is Great At

Continuous, account-wide state and compliance. Config records every configuration change, keeps history, and evaluates rules (for example "no IAM policy allows full admin" or "S3 buckets must block public access") on an ongoing basis. It integrates with conformance packs and can trigger remediation. If you need an always-on record of what is deployed and whether it drifts out of compliance, that is exactly Config's job.

Where Shieldly Fits

Config tells you a resource is non-compliant after it exists. Shieldly reviews the policy before it ships and explains the why in plain English plus the corrected policy, for the engineer in the pull request. It also reasons about multi-step privilege-escalation chains in a single policy — the kind of contextual risk a per-resource rule does not express. And there is nothing to deploy: paste a policy into the web app, or run the @shieldly/cli, VS Code extension, GitHub Action, or @shieldly/cdk-guard construct.

Side by Side

Use Both

The two cover different ends of the lifecycle, and they reinforce each other.

• Use AWS Config for continuous, account-wide compliance recording, drift detection, and remediation.
• Use Shieldly at PR time to explain and fix risky IAM / CloudFormation before it ever becomes a non-compliant resource Config has to flag.
• When a Config rule flags an IAM finding, drop the offending policy into Shieldly for the plain-English reason and a tightened version.

AWS and AWS Config are trademarks of Amazon.com, Inc. Shieldly is not affiliated with or endorsed by Amazon Web Services. Comparisons reflect public information as of 2026 and general product categories.

Amazon Web Services (AWS) is a trademark of Amazon.com, Inc. Shieldly is not affiliated with, endorsed by, or sponsored by Amazon Web Services.