While a multi-cloud strategy has many advantages, it presents challenges when you access data across cloud providers. In particular, enterprises need a way to map identities across cloud boundaries.
With federated identity management, applications are able to share identity information and authenticate users across multiple domains without many login processes.
Let’s take a look at the benefits of workload identity federation, as well as how to create a federated identity in Google Cloud. The specific details here apply to AWS and Google Cloud. However, the principles of federated identity management work in other combinations of cross-cloud access control.
Read more at – searchcloudcomputing : How to use Google’s workload identity federation with AWS