Ensure each VPC peering connection is only connected to accounts in your organization

Ensure that your VPC peering connections are only connected to accounts with-in your organization. Peering connections are direct connections into your VPC and should have strict monitoring concerning them. This is considered a security best practice and should always be done. Ensuring this is enabled will help with NIST and PCI-DSS compliance.

Audit & Remediation

  • Login into your AWS account
  • Navigate to the VPC service at: https://console.aws.amazon.com/vpc
  • On the left hand panel select Peering connections under VIRTUAL PRIVATE CLOUD.
  • Validate Requester Owner and Accepter Owner both have an accountId that represents accounts that you own.



  • If a peering connection is not associated with an account with-in your organization and is not trusted, then navigate to Actions then choose Delete VPC Peering Connection.



  • Repeat the outlined steps and do this for each VPC peering connection you have enabled in your account.
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