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Amazon Key Management Service (KMS)

Information Technology > Access & Identify Management

Description

Amazon Key Management Service (AWS KMS) is a security service provided by Amazon Web Services that allows you to create and manage cryptographic keys, which are used to encrypt and decrypt data. It provides a centralized control point for managing these keys, enabling you to create, rotate, disable, define policies, and audit the use of encryption keys used to secure your data. AWS KMS is integrated with other AWS services making it easier to encrypt data stored in these services and control access to the keys that decrypt it. Advanced features include envelope encryption and the ability to implement complex key management strategies.

Stack

Amazon Cloud

Expected Behaviors

✎
LEVEL 1

Fundamental Awareness

At this level, individuals are expected to understand the basic concept of Amazon Key Management Service (AWS KMS) and recognize its importance in managing cryptographic keys for encryption and decryption within AWS. They should be able to identify the role of AWS KMS in a broader AWS environment.

🌱
LEVEL 2

Novice

Novices should be capable of creating, managing, and using customer master keys (CMKs). They should know how to enable and disable keys, define key policies and grants, and use AWS KMS with other AWS services. This level involves more hands-on tasks compared to the fundamental awareness level.

🌍
LEVEL 3

Intermediate

Intermediate users should be proficient in implementing key rotation for CMKs, managing permissions to use a CMK, and using AWS KMS APIs to encrypt and decrypt data. They should also be able to configure AWS CloudTrail to log AWS KMS events and understand the difference between symmetric and asymmetric CMKs.

⭐
LEVEL 4

Advanced

Advanced users are expected to migrate keys from other systems into AWS KMS, implement multi-region replication of CMKs, and use AWS KMS for digital signatures. They should understand and implement envelope encryption and troubleshoot common issues with AWS KMS.

🏆
LEVEL 5

Expert

Experts should be able to design and implement complex key management strategies, optimize AWS KMS performance for high-volume applications, ensure compliance with specific regulatory requirements using AWS KMS, integrate AWS KMS with custom applications and third-party solutions, and conduct security audits and vulnerability assessments for AWS KMS implementations.

Micro Skills

✎
LEVEL 1

Fundamental Awareness

Recognizing the purpose of AWS KMS
Identifying the main components of AWS KMS
Understanding the basic operations of AWS KMS
Understanding the concept of encryption and decryption
Recognizing the role of encryption in data security
Identifying the use cases for encryption in AWS
Understanding the concept of cryptographic keys
Recognizing the need for key management
Identifying the benefits of using AWS KMS for key management
🌱
LEVEL 2

Novice

Recognizing the role of CMKs in AWS KMS
Identifying the types of CMKs
Understanding the lifecycle of a CMK
Navigating to the AWS KMS console
Choosing the type of CMK
Setting up key material options
Configuring key usage permissions
Reviewing and creating the CMK
Viewing CMK details
Editing CMK description
Adding tags to a CMK
Encrypting data with a CMK
Decrypting data with a CMK
Scheduling a CMK for deletion
Cancelling a CMK deletion
Recognizing scenarios for enabling a CMK
Recognizing scenarios for disabling a CMK
Navigating to the CMK
Choosing the Enable option
Choosing the Disable option
Checking the CMK status in the console
Recognizing the benefits of key rotation
Identifying scenarios for key rotation
Enabling automatic key rotation
Creating a new CMK
Updating applications to use the new CMK
Scheduling the old CMK for deletion
Checking the key rotation status in the console
Recognizing the purpose of key policies
Recognizing the purpose of grants
Adding a new key policy
Editing the existing key policy
Adding a new grant
Removing an existing grant
Recognizing the benefits of using AWS KMS with other services
Identifying AWS services that support AWS KMS
Creating a new S3 bucket
Enabling default encryption with a CMK
Uploading an object to the S3 bucket
Downloading and decrypting the object
Launching a new EC2 instance
Creating a new EBS volume encrypted with a CMK
Attaching the EBS volume to the EC2 instance
Creating a new Lambda function
Encrypting environment variables with a CMK
Creating a new RDS instance
Enabling encryption with a CMK
🌍
LEVEL 3

Intermediate

Understanding the concept of key rotation
Setting up automatic key rotation
Manually rotating keys
Managing key rotation events
Understanding AWS KMS permissions and policies
Creating and managing IAM policies for KMS
Using key policies to control access to CMKs
Revoking permissions to use a CMK
Understanding the AWS KMS API operations
Encrypting data using the Encrypt API
Decrypting data using the Decrypt API
Handling errors in AWS KMS API calls
Understanding the role of AWS CloudTrail in logging
Enabling AWS CloudTrail for AWS KMS
Interpreting AWS KMS log entries in CloudTrail
Troubleshooting issues with AWS KMS logging
Recognizing the characteristics of symmetric keys
Recognizing the characteristics of asymmetric keys
Choosing between symmetric and asymmetric keys for different use cases
Converting symmetric keys to asymmetric keys and vice versa
⭐
LEVEL 4

Advanced

Understanding the process of importing key material
Using AWS CLI to import key material
Managing imported keys
Deleting imported keys
Understanding the concept of multi-region keys
Creating a multi-region primary key
Replicating a multi-region key
Deleting a multi-region key replica
Understanding the concept of digital signatures
Creating asymmetric CMKs for signing and verification
Signing messages using AWS KMS
Verifying signatures using AWS KMS
Understanding the concept of envelope encryption
Generating data keys for envelope encryption
Encrypting data with a data key
Decrypting data with a data key
Identifying common error messages in AWS KMS
Resolving issues related to permissions and policies
Troubleshooting issues with key rotation
Resolving issues related to AWS KMS quotas
🏆
LEVEL 5

Expert

Identifying business requirements for key management
Creating a key hierarchy and lifecycle
Implementing key archival and recovery processes
Integrating AWS KMS with other AWS services in the strategy
Understanding AWS KMS performance characteristics and limits
Implementing caching and batching techniques
Using AWS KMS multi-region replication to improve performance
Monitoring and tuning AWS KMS performance
Understanding relevant regulatory requirements
Configuring AWS KMS to meet compliance requirements
Documenting AWS KMS usage for audit purposes
Keeping up-to-date with changes in regulations and AWS KMS features
Understanding API interfaces of AWS KMS
Implementing secure communication between applications and AWS KMS
Troubleshooting integration issues
Evaluating third-party solutions for compatibility with AWS KMS
Understanding best practices for AWS KMS security
Performing regular audits of AWS KMS usage
Identifying and mitigating potential vulnerabilities
Reporting and resolving security incidents involving AWS KMS

Skill Overview

  • Expert2 years experience
  • Micro-skills116
  • Roles requiring skill1

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