I keep my original of Thief: Deadly Shadows at home.
I wanted to make a back-up to use at another location that I often reside.
Aray Scanner informed me that the first disc had Securom.
I used the CDfreaks profile for Securom with CloneCD.
The 2nd and 3rd discs had no protection.
I can install the game from the back-up discs but the game wont allow play from the back-up. It asks for the original.