AWS Key Management Service (AWS KMS) makes it simple to establish, manage, and control cryptographic keys across a variety of AWS services and in your applications. AWS KMS is a safe and dependable service that protects your keys with hardware security modules that have been validated under FIPS 140-2 or are in the process of being validated. AWS KMS and AWS CloudTrail are connected to provide you with logs of all key usage to help you satisfy regulatory and compliance requirements.

Benefits

Fully managed

You define permissions to use keys to govern access to your encrypted data, while AWS KMS enforces your permissions and manages the durability and physical security of your keys.

Centralized key management

AWS KMS provides a single point of control for managing keys and defining policies across AWS services and your applications. From the AWS Management Console or the AWS SDK or CLI, you can quickly generate, import, rotate, remove, and manage permissions on keys.

Manage encryption for AWS services

AWS Key Management Service (AWS KMS) is linked with AWS services to make it easier to use your keys to encrypt data across your AWS workloads. You decide on the level of access control you require, which includes the ability to exchange encrypted resources between accounts and services. KMS sends all key usage data to AWS CloudTrail, allowing you to see who accessed your encrypted data, including AWS services acting on your behalf.

Encrypt data in your applications

AWS KMS is linked with the AWS Encryption SDK, allowing you to encrypt locally within your apps using KMS-protected data encryption keys. You can also integrate encryption and key management into your applications using simple APIs, regardless of where they run.

Digitally sign data

To secure the integrity of your data, you can use AWS KMS to perform digital signature operations using asymmetric key pairs. Whether or not they have an AWS account, recipients of digitally signed data can validate the signatures.

Low cost

There is no obligation to utilize AWS KMS, and there are no upfront costs. You only have to pay $1 a month to store any key you create. The storage of AWS managed keys created on your behalf by AWS services is free. When you use or manage your keys beyond the free tier, you will be charged per request.

Secure

To produce and protect keys, AWS KMS uses hardware security modules (HSMs) that have been validated under FIPS 140-2 or are in the process of being validated. You can never leave your keys unprotected because they are only utilized inside these devices. Outside of the AWS area in which they were established, KMS keys are never shared.

Compliance

To make your compliance duties easier, the security and quality controls in AWS KMS have been certified under numerous compliance schemes. You can store your keys in single-tenant HSMs on AWS CloudHSM instances that you control using AWS KMS.

Built-in auditing

AWS KMS and AWS CloudTrail work together to track all API calls, including key management activities and key usage. Logging API requests can assist you with risk management, compliance, and forensic analysis.

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