This article lists the steps to add a new AWS account and set its authentication type to key authentication. For this, you must have your Access key and Security key at hand. 

Procedure:

  1. Manage → Asset Management → Add new asset(s).
  2. Asset category → Cloud Apps Asset type → AWS.
  3. Click on action arrow → Select Manage Linked accounts.
  4. Click on Add new account → Select Authentication Type as Key +Secret Key → Then specify the Account Name, Access Key, and Secret Key.