Based on https://docs.wildfly.org/27/wildscribe/subsystem/iiop-openjdk/index.html#attr-security the `identity` is still possible value to write to `security` attribute of `iiop-openjdk`subsystem.
But when I try to write it, the operation fails with:
This scenario works fine with EAP 7.4.10
It's possible that this is not a bug. As this is not very well documented, could someone who has more knowledge on this matter provide some more information?