Security Misconfiguration on Aws

How Security Misconfiguration Manifests in Aws

Security misconfiguration in Aws applications often stems from improper default settings, overly permissive IAM policies, and exposed sensitive endpoints. A common pattern involves Lambda functions with wildcard permissions in their execution role, allowing unintended access to S3 buckets or DynamoDB tables. For example, a function with s3:* permissions can read, write, or delete objects across all buckets, not just the intended ones.

 

Aws-Specific Detection

Detecting security misconfigurations in Aws requires examining both infrastructure-as-code templates and runtime behavior. For CloudFormation templates, look for IAM policies with wildcard actions or resources: