AWS Amazon EC2 Encryption By Default

This page shows how to write Terraform for Amazon EC2 Encryption By Default and write them securely.

aws_ebs_encryption_by_default (Terraform)

The Encryption By Default in Amazon EC2 can be configured in Terraform with the resource name aws_ebs_encryption_by_default. The following sections describe 5 examples of how to use the resource and its parameters.

Example Usage from GitHub

main.tf#L3
resource "aws_ebs_encryption_by_default" "enabled" {
  enabled = true
}

resource "aws_ebs_encryption_by_default" "default" {
}
main.tf#L3
resource "aws_ebs_encryption_by_default" "enabled" {
  enabled = true
}

resource "aws_ebs_encryption_by_default" "default" {
}
test.tf#L13
resource "aws_ebs_encryption_by_default" "default_encryption" {
  enabled = false # Noncompliant
#           ^^^^^
}
resource "aws_ebs_encryption_by_default" "default_encryption_1" { # Compliant
}
main.tf#L3
resource "aws_ebs_encryption_by_default" "enabled" {
  enabled = true
}

resource "aws_ebs_encryption_by_default" "default" {
}
negative.tf#L1
resource "aws_ebs_encryption_by_default" "negative1" {
  enabled = true
}

resource "aws_ebs_encryption_by_default" "negative2" {

Review your Terraform file for AWS best practices

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Parameters

  • enabled optional - bool
  • id optional computed - string

Explanation in Terraform Registry

Provides a resource to manage whether default EBS encryption is enabled for your AWS account in the current AWS region. To manage the default KMS key for the region, see the aws_ebs_default_kms_key resource.

NOTE: Removing this Terraform resource disables default EBS encryption.

Tips: Best Practices for The Other AWS Amazon EC2 Resources

In addition to the aws_default_vpc, AWS Amazon EC2 has the other resources that should be configured for security reasons. Please check some examples of those resources and precautions.

risk-label

aws_default_vpc

Ensure to avoid using default VPC

It is better to define the own VPC and use it.

risk-label

aws_network_acl_rule

Ensure your network ACL rule blocks unwanted inbound traffic

It is better to block unwanted inbound traffic.

risk-label

aws_ebs_volume

Ensure to use a customer-managed key for EBS volume encryption

It is better to use a customer-managed key for EBS volume encryption. It can be gain more control over the encryption by using customer-managed keys (CMK).

risk-label

aws_instance

Ensure to avoid storing AWS access keys in user data

It is better to avoid storing AWS access keys in user data. `aws_iam_instance_profile` could be used instead.

risk-label

aws_security_group

Ensure your security group blocks unwanted inbound traffic

It is better to block unwanted inbound traffic.

Review your AWS Amazon EC2 settings

In addition to the above, there are other security points you should be aware of making sure that your .tf files are protected in Shisho Cloud.

CloudFormation Example

CloudFormation code does not have the related resource.

Frequently asked questions

What is AWS Amazon EC2 Encryption By Default?

AWS Amazon EC2 Encryption By Default is a resource for Amazon EC2 of Amazon Web Service. Settings can be wrote in Terraform.

Where can I find the example code for the AWS Amazon EC2 Encryption By Default?

For Terraform, the sprathod369/iac-example, SnidermanIndustries/checkov-fork and SonarSource/sonar-iac source code examples are useful. See the Terraform Example section for further details.

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