https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Borderless_Networks/Unified_Access/ BY OD_Design_Guide/Managing_Lost_or_Stolen_Device.html#90273 The Blacklist identity group is system generated and maintained by ISE to prevent access to lost or stolen devices. In this design guide, two authorization profiles are used to enforce the permissions for wireless and wired devices within the Blacklist: Blackhole WiFi Access Blackhole Wired Access