Security

AWS S3 Security Best Practices: Protect Your Cloud Storage

Learn essential security practices to protect your AWS S3 buckets and data.

Sarah Chen, AWS Solutions Architect
January 20, 2024
12 min read
AWS S3 Security Best Practices: Protect Your Cloud Storage

AWS S3 Security Best Practices: Protect Your Cloud Storage

Amazon S3 is widely used for storing critical data. Securing your buckets is essential.

Essentials

  • Use IAM policies with least privilege
  • Enable default encryption (SSE-S3 or SSE-KMS)
  • Enforce HTTPS-only access
  • Block public access by default