Service Control Policies: Prevent Modifications to Specific Lambda Functions

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This SCP restricts IAM principals in accounts from making changes to specific Lambda Functions with the exception of a specific IAM role (This could be a common administrative IAM role created in all accounts in your organization)

See Related Configuration Items for a Configuration Package to deploy multiple SCPs to an AWS Account.

Configuration template includes a CloudFormation custom resource to deploy into an AWS account.

Missing Parameters

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Action": [
                "lambda:AddPermission",
                "lambda:CreateEventSourceMapping",
                "lambda:CreateFunction",
                "lambda:DeleteEventSourceMapping",
                "lambda:DeleteFunction",
                "lambda:DeleteFunctionConcurrency",
                "lambda:PutFunctionConcurrency",
                "lambda:RemovePermission",
                "lambda:UpdateEventSourceMapping",
                "lambda:UpdateFunctionCode",
                "lambda:UpdateFunctionConfiguration"
            ],
            "Resource": [
                "arn:aws:lambda:*:*:function:"
            ],
            "Effect": "Deny",
            "Condition": {
                "ArnNotLike": {
                    "aws:PrincipalARN": "arn:aws:iam::*:role/"
                }
            }
        }
    ]
}

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Prevent Modifications to Specific Lambda Functions

Actions

Customize Template

Policy Parameters