Personally I've noticed that within the brig, there is a simple way to get out, provided the cell doors are open and there are 2 people. From what I believe the area within the middle is designed to have those detained the privilege to go the middle and socialize which means the doors may be opened. I don't know how the brig is currently running and if threats of jailbreaks are common. What would you like to see: Perhaps some sort of railing, grate, shield  or clear barriers would be beneficial