AWS IAM (Identity and Access Management) is a web service provided by Amazon Web Services (AWS) that enables the user to manage users and their access to the AWS infrastructure. It allows for the creation of users, groups, and roles, and the assignment of permissions to those entities. IAM also provides features such as multi-factor authentication and access keys for programmatic access to AWS services.

Amazon SNS, short for “Simple Notification Service,” is a managed service that Amazon Web Services (AWS) broadcasts messages to subscribers, be they people or machines. Amazon SNS is a managed service broadcasting notifications to end users (producers and consumers). Publishers update a central hub, or “topic,” which readers can access and follow to receive information asynchronously.