Other Articles
- EC2 Volume – Enable EBS Encryption
- EC2 Volume – Enable EBS Volume Backup
- EFS – Enable EFS Storage Backup
- EC2 Instance – Enable Deletion Protection
- EC2 Instance – Monitor CPU Utilization
- ECS Service – Monitor CPU Utilization
- ECS Service – Monitor Memory Utilization
- EC2 VPC – Ensure Flow Logs are Enabled
- S3 Bucket – Enable S3 Bucket Versioning
- S3 Bucket – Enable S3 Bucket Encryption
- RDS DB Instance – Enable Auto Minor Version Upgrade
- RDS DB Instance – Block Public Access
- RDS DB Instance – Monitor Free Storage Space
- RDS DB Instance – Monitor CPU Utilization
- RDS DB Instance – Encryption of Storage
- RDS DB Instance – Enable Deletion Protection
- SQS Queue – Monitor Message Age
- SQS Queue – Monitor Message Visibility
- DynamoDB Table – Enable Table Encryption
- DynamoDB Table – Enable Table Point In Time Recovery
- DynamoDB Table – Enable Table Deletion Protection
- DynamoDB Table – Monitor Table Read Capacity
- DynamoDB Table – Monitor Table Write Capacity
- DynamoDB Table – Monitor Table Latency
- Enable User MFA
- Enforce Key Rotation
- Enforce Active Key Limit
- Disable Unused User Credentials
- Enforce Group Permission
- Enable CloudTrail
- Enable AWS Security Hub
- Enforce Password Length
- Prohibit Password Reuse
- Purge Expired Certificates
- Check Root Access Keys Existence
- Enable Root MFA
- Establish Support Role
- Enable Key Rotation
- Encrypt CloudTrail Logs
- Enable GuardDuty
S3 Bucket – Block S3 Bucket Public Access
This check ensures that public access is blocked on S3 buckets to prevent unauthorized data exposure.
Check Details
- Resource: S3 Bucket
- Check: Block S3 bucket public access
- Risk: Sensitive data may be exposed to the public
Remediation via AWS Console
-
Log in to the AWS Management Console and open the
Amazon S3 console.
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Select the S3 bucket.
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Open the Permissions tab.
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Under Block public access (bucket settings), click
Edit.
-
Enable Block all public access and click
Save changes.
Remediation via AWS CLI
-
Log in to the AWS Management Console and click the
CloudShell icon (
>_) in the top-right corner.
-
List all S3 buckets:
aws s3 ls -
Enable block public access for a specific bucket:
aws s3api put-public-access-block \ --bucket <bucket-name> \ --public-access-block-configuration \ BlockPublicAcls=true,IgnorePublicAcls=true,BlockPublicPolicy=true,RestrictPublicBuckets=true