Even if you have not enabled encryption by default, you can enable encryption when you create an individual volume or snapshot. Today’s topic is about encryption data with AWS. As far as i know you can't make your encrypted snapshots available publicly but you can share an encrypted snapshot, you must share the customer managed CMK used to encrypt the snapshot You can highlight the text above to change formatting and highlight code. CMKs can be shared with other accounts. Snapshots that you intend to share must instead be encrypted with a customer managed CMK." Changes AWS Outposts now supports EBS local snapshots on Outposts that allows customers to store snapshots of 1. "When you share an encrypted snapshot, you must also share the customer managed CMK used to encrypt the snapshot. It also prevents you from sharing AMIs What should you do at first to protect your data? You must in all cases have permission to use the selected key. Whether you enable encryption by default or in individual creation operations, you can override the default key for EBS encryption and select a symmetric customer managed CMK. Snapshots that you intend to share must instead be encrypted with a customer managed CMK. Specify EBS_SNAPSHOT_MANAGEMENT to create a lifecycle policy that manages the lifecycle of Amazon EBS snapshots. The features of the private data: # Encrypted # Not be directly accessible from the internet # Be required authorization and authentication […] AWS prevents you from sharing snapshots that were encrypted with your default CMK. Here we go! Like EBS volumes, snapshots in AMIs can be encrypted by either your default AWS Key Management Service customer master key (CMK), or to a customer managed key that you specify. I'm trying to use Auto Scaling groups in AWS to create and manage instances created from AMIs with encrypted snapshots, which have been encrypted by a CMK owned by a different AWS account. You can change the encryption keys according to your requirements. 3. 2. If the CMK feature is enabled for a disk, it can’t be disabled. 1. 4. Specify IMAGE_MANAGEMENT to create a lifecycle policy that manages the lifecycle of EBS-backed AMIs. We recommend to use Key Policies to control access to customer master keys. This allows the other account to be able to take those snapshots and restore an instance. 2021/02/04 - Amazon Elastic Compute Cloud - 14 updated api methods . Stack Overflow. For example, its possible to setup a RDS Database encrypted with CMK, then share a snapshot and the CMK with another account. If you need you can copy data to a new disk without CMK. AWS prevents you from sharing snapshots that were encrypted with your default CMK. Once enabled for a Recovery Services vault, encryption using customer-managed keys can't be reverted back to using platform-managed keys (default). 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