What is an anti-theft door? anti-theft door; As its name suggests, it is more secure than regular doors and even compared to protective fences (accordion) due to its special features against burglars. The special features of the anti-theft door related to its components include the door structure, hinges, frame, lock and door material. Anti-theft doors, unlike normal doors, have high safety against any pressure, cutting, lever and manipulation of the lock. These doors are good insulation against fire, heat and cold as well as sound.