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@@ -82,6 +82,7 @@ A curated list of awesome cloud security related resources.
 * [Terrascan](https://github.com/accurics/terrascan): Detect compliance and security violations across Infrastructure as Code to mitigate risk before provisioning cloud native infrastructure.
 * [tfsec](https://github.com/liamg/tfsec): Static analysis powered security scanner for Terraform code.
 * [Zeus](https://github.com/DenizParlak/Zeus): AWS Auditing & Hardening Tool.
+* [s3dns](https://github.com/olizimmermann/s3dns) - Passive DNS-based discovery of S3 (and other cloud) buckets by resolving CNAMEs and IPs during recon—ideal for stealthy and early identification of cloud storage exposures 
 
 ## Container
 * [auditkube](https://github.com/opszero/auditkube): Audit for for EKS, AKS and GKE for HIPAA/PCI/SOC2 compliance and cloud security.