Security Token AWS Credentials File: Understanding and Managing Your AWS Secure Credentials File
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The AWS Credentials File, also known as the Security Token, is a crucial component of any AWS account. It stores your AWS credentials, which are required to access and manage resources in the AWS cloud. This article aims to provide an in-depth understanding of the AWS Credentials File, how to create and manage it, and the important security considerations when using it.
Understanding the AWS Credentials File
The AWS Credentials File is a secure file that stores your AWS access key ID and secret access key. These credentials are required to authenticate your accounts with AWS services, such as Amazon S3, Amazon S3, Amazon RDS, and many more. The file is stored either locally on your computer or in AWS Key Management Service (KMS), a secure key management service provided by AWS.
When using the AWS Command Line Interface (CLI), the credentials are retrieved from the Credentials File. If the file is stored locally, it is referred to as the "local" file. If stored in AWS KMS, it is referred to as the "aws-kms" file.
Creating the AWS Credentials File
To create a new AWS Credentials File, follow these steps:
1. Open the AWS CLI and log in to your AWS account.
2. Run the "create_credentials_file" command to generate a new access key ID and secret access key pair.
3. Save the access key ID and secret access key in a safe and secure location.
4. To store the credentials in AWS KMS, run the "create_aws_kms_key" command and follow the on-screen instructions.
Managing the AWS Credentials File
Managing the AWS Credentials File is crucial to ensure the security of your AWS accounts. Here are some best practices to follow:
1. Store the AWS Credentials File in a secure and encrypted location. Avoid saving it on a USB drive or on an unprotected computer.
2. Regularly update the access key ID and secret access key in the Credentials File. This is required to prevent expired credentials from causing problems with your AWS accounts.
3. Do not share the Credentials File with anyone outside your organization. This file contains sensitive information that can be used to access your AWS accounts.
4. Enable multiple factoring to secure your AWS accounts. This requires users to input not only their access key ID and secret access key but also a security token, which can be a one-time passcode generated by the AWS CLI.
5. Regularly backup your AWS Credentials File and make sure it is stored on a secure and accessible location.
Security Considerations
When using the AWS Credentials File, it is essential to consider the following security aspects:
1. Protecting the AWS Credentials File: Make sure the file is stored in an encrypted and secure location. Use a password or a hardware security key to protect access to the file.
2. Enforcing multiple factoring: Enabling multiple factoring to access your AWS accounts adds an additional layer of security by requiring users to input not only their access key ID and secret access key but also a security token.
3. Regularly updating credentials: Regularly updating the access key ID and secret access key in the AWS Credentials File ensures that your AWS accounts have the latest credentials available.
4. Disabling AWS account access: If your AWS account is compromised, you can disable access to the account, preventing unauthorized access to your resources.
The AWS Credentials File is a crucial component of any AWS account, as it stores your AWS credentials required to access and manage resources in the AWS cloud. By understanding how to create, manage, and secure the AWS Credentials File, you can ensure the safety and security of your AWS accounts. Following best practices and enforcing security measures will help you protect your AWS resources and stay compliant with AWS policies.