How can we protect data in S3?
To protect data in Amazon S3, you need a multi-layered security strategy that covers access control, encryption, data durability and network security.
• Access Control: Enable S3 Block Public Access and enforce strict IAM/Bucket policies using the principle of least privilege.
• Data Encryption: Enforce HTTPS in transit via bucket policies and use AWS KMS for server-side encryption at rest.
• Accidental Loss Protection: Turn on S3 Versioning and MFA Delete to prevent permanent data overwrites or unauthorized deletions.
• Ransomware Defense: Use S3 Object Lock for immutable WORM compliance and back up data to isolated AWS Backup vaults.
• Data Encryption: Enforce HTTPS in transit via bucket policies and use AWS KMS for server-side encryption at rest.
• Accidental Loss Protection: Turn on S3 Versioning and MFA Delete to prevent permanent data overwrites or unauthorized deletions.
• Ransomware Defense: Use S3 Object Lock for immutable WORM compliance and back up data to isolated AWS Backup vaults.
• Network & Access Security: Turn on S3 Block Public Access and use VPC Endpoints to keep all data traffic entirely off the public internet.