Hello, it is me, i am not dead, and in fact, am working on this game, however, i am in the prosses of making the games final dungeon, and i don't know what to do, please help

All i need to do is come up with 4 bosses that are somehow related to security, and a respective puzzle to go along with them, but i don't have any idea, please heeeeeeeelllllppppp

Thank