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Remediation Steps:
Perform following to remove cross account triggers from lambda functionenable environment variable encryption for lambda :
Login to the AWS Management Console at https://console.aws.amazon.com.
Navigate to AWS Lambda console.
In the navigation pane, select Functions.
Select the function to be modified.
Navigate to Environment Variables.
Under AWS KMS key to encrypt at rest, choose Use a customer master key.
Select the KMS key of choice.
Click Save changes to apply.
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