Encryption in transit - Amazon Glue
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Encryption in transit

Amazon provides Transport Layer Security (TLS) encryption for data in motion. You can configure encryption settings for crawlers, ETL jobs, and development endpoints using security configurations in Amazon Glue. You can turn on Amazon Glue Data Catalog encryption via the settings for the Data Catalog.

As of September 4, 2018, Amazon KMS (bring your own key and server-side encryption) for Amazon Glue ETL and the Amazon Glue Data Catalog is supported.