Access Control and Auditing
Access control and auditing in AWS KMS enable users to monitor and manage the usage of their cryptographic keys. Access control is implemented using AWS Identity and Access Management (IAM) policies, which allow fine-grained control over who can access, create, or use KMS resources. Auditing is provided through AWS CloudTrail, which logs and stores all API calls related to KMS, including key creation, deletion, and usage. This information can be used for security analysis, compliance tracking, and troubleshooting purposes.
Access Control and Auditing in AWS KMS - Guide and Exam Tips
AWS Key Management Service (KMS) is a managed service that makes it easy for you to create and control the cryptographic keys used to encrypt your data. Access Control and Auditing are crucial elements of this service.
Importance: The Access Control and Auditing feature in AWS KMS is vital as it enables the suitable administration of permissions to the keys and traces the usage of these keys, ensuring the prevention of unauthorized access and providing compliance oversight.
Access Control: It's a process that ensures only authorized personnel can access the keys. AWS KMS enables this using IAM policies, key policies, and grants. IAM policies specify who can manage the CMK and what actions they can perform; Key Policies signify who can use the key; grants are alternate ways to give permissions.
Auditing: It involves tracking the usage of keys. AWS KMS provides this via AWS CloudTrail, which records AWS KMS events in log files.
Exam Tips: When approaching questions on Access Control and Auditing, pay attention to the specific permissions given and whether CloudTrail is enabled. Also, remember that IAM policies, Key Policies, and grants are essential components of access control in AWS KMS, while AWS CloudTrail plays a crucial role in auditing.
Don't overlook details concerning who can use and manage the keys - these are usually vital in exam questions. Understanding the interplay of IAM policies, key policies, and grants will go a long way in correctly answering such questions.
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