You can delete security groups if you no longer need them. Deleting a security group also deletes all its rules.
When you want to delete a security group, you must make sure:
To delete a security group, follow these steps:
- Log on to the ECS console.
- In the left-side navigation pane, click .
- Select a region to display the list of all security groups in this region.
- Select one or more security groups, and click Delete.
- In the displayed Delete Security Group dialog box, click OK.