--- aliases: - IAM --- > Part of [[AWS Cloud Services#AWS Core Services|AWS Core Services]] ##### **Amazon IAM (Identity and Access Management)** - Manages user access to services. - Attach permission policies to identities to manage the kind of actions the identity can perform. - Identities in Amazon IAM are ***users***, ***groups*** and ***roles***. - Based on ***least privilege*** principle. * user or entity should only have access to the specific data, resources and applications when you explicitly granted them access. * example usage: * Grant cross-account permissions to upload objects while ensuring that the bucket owner has full control.