A SysOps Administrator needs to control access to groups of Amazon EC2 instances.

Attach an IAM policy to the users or groups that require access to the EC2 instances

Attach an IAM role to control access to the EC2 instances

Create a placement group for the EC2 instances and add a specific tag

Create a service account and attach it to the EC2 instances that need to be controlled

Create an IAM policy that grants access to any EC2 instances with a tag specified in the condition element