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Medium Glue · regional

AWS Glue machine learning transforms should be encrypted at rest

Checks that the Glue machine learning transform encrypts its user data, the model and labels, with SSE-KMS; a transform with ML user data encryption disabled fails. Encrypting them keeps someone who can reach the stored data from inspecting the model or the labelled records it was taught with.

service
Glue
severity
Medium
scope
evaluated in every region

How to fix it

  • Replaces the resource: Encryption is set only when a transform is created, so create one with SSE-KMS, import this one's exported labels and retrain it, point jobs at its ID, then delete this one.

In the console

AWS Glue → Data classification tools → Record Matching → Create transform → Set transform properties

Server-side encryption with AWS KMS (SSE-KMS)
Selected
AWS KMS key
A KMS key by name, or Enter a key ARN

With the AWS CLI

aws glue create-ml-transform --name <new-transform-name> --input-record-tables DatabaseName=<database-name>,TableName=<table-name> --parameters 'TransformType=FIND_MATCHES,FindMatchesParameters={PrimaryKeyColumnName=<primary-key-column>}' --role <role-arn> --transform-encryption 'MlUserDataEncryption={MlUserDataEncryptionMode=SSE-KMS,KmsKeyId=<kms-key-id>}' --region <region>

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