As AWS Lambda adoption grows, so does the complexity of managing IAM roles. But what if you could simplify your Lambda security and reduce costs at the same time? The vast majority of Lambda functions don't require the overhead of IAM roles. It's time to rethink our approach to security. Introduction to IAM Roles and Policies IAM roles and policies are the backbone of AWS security. However, understanding the differences between them can be tricky. import { ListRolesCommand } from ' @aws-sdk/client-iam ' ; import { IAMClient } from ' @aws-sdk/client-iam ' ; const iamClient = new IAMClient ({ region : ' us-east-1 ' }); const listRolesCommand = new ListRolesCommand ({}); iamClient . send ( listRolesCommand ). then (( data ) => { console . log ( data . Roles ); }). catch (( err ) => { console . error ( err ); }); Enter fullscreen mode Exit fullscreen mode Don't confuse IAM roles with IAM policies. Roles are used to assign permissions to entities, while policies define those permissions.…