Just been playing through Data Hive again with sep7ember.
When we completed the second mission objective, pressing the back button to show the list, revealed the SI face, the ERR thread, and your SUPER code!! only 4 characters.
You can see it in the mission objective screen in a box on the left of the list. It was "fight through Data Hive" objective complete.
It was not there after the next objective, and we don't know where else it appears in this form.
Sorry no screen shot but I hope that's clear enough for you to find it and verify??
Will be keeping a close eye out for it
oh and we were on normal