You can view the security groups in the ECS console at any time. To view the security groups list, follow these steps:

  1. Log on to the ECS console.
  2. In the left-side navigation pane, click Networks and Security > Security Groups.
  3. Select a region. A list of all the security groups in the specified region is displayed.
  4. You can select or enter a VPC ID in the filter input box to search the security groups under this VPC.