I am go though this link https://store.suitecrm.com/docs/securitysuite/features#filter, As we have navigate though the Studio > Users > Layouts > Default > Filter > Quick Filter But we not found the Security Group in any option see this screen shot https://s.nimbus.everhelper.me/share/1205882/ysrcny2q66oshtfqh0ho. Also feature like assigned Security Groups on List View is not working on 7.8.8.