Ensure Cloud Object Storage encryption is done with customer managed keys

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Description

Users can store objects in IBM Cloud Object Storage buckets by providing their own encryption keys which get applied at a per object level. Users can have added security and granular control over the encryption keys at a per object level.

Méthode de vérification

Méthode d'audit: Revue manuelle

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Using API/CLI: Use of Server-Side Encryption with Customer-Provided Keys (SSE-C) can be validated by the following steps: Note: Ensure that you have completed the configuration setup to use the CLI by following the guidelines on the Using the AWS CLI page 1. Review the metadata of the object that is encrypted using the customer-provided key. The operation can be performed using an API call or via a command-line interface. Here is an example call to get the object metadata: aws --endpoint https://s3.private.au-syd.cloud-object-storage.appdomain.cloud s3api head-object --bucket <bucket-name> --key <object-name> --sse-customer- algorithm=AES256 --sse-customer-key=<customer-key-used-to encrypt-the-object> 1. The presence of the object headers SSECustomerKeyMD5 and SSECustomerAlgorithm from the API/CLI response should confirm that the object is encrypted using the key.

Méthode de correction

Méthode de correction: Recommandation ou correctif d'infrastructure

Using API/CLI: Objects can be uploaded with your own key by using a PUT object request with key specific headers. Please refer to Server-Side Encryption with Customer-Provided Keys for additional information.

Propriétés

Systèmes d'exploitation: Tous
Étiquettes: cloudcryptoencryptionibmcloud
Référence: CIS IBM Cloud Foundations Benchmark v2.0.0 - 2.1.1.1 Ensure Cloud Object Storage encryption is done with customer managed keys