If a user reports a device lost or stolen, which portal should be used to...

https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Borderless_Networks/Unified_ Access/BYOD_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