IAM is used to securely control individual and group access to AWS resources
IAM can be used to manage multi-factor authentication
The AWS Security Token Service (STS) is a web service that enables you to request temporary,
limited-privilege credentials for IAM users or for users that you authenticate (federated
users)
AWS Key Management Service (KMS) is a managed service that makes it easy for you to create
and control the encryption keys used to encrypt your data
Amazon EC2 is used for running operating systems instances in the cloud