Furniture with a protectable against unauthorized access interior

In a piece of furniture (1) with a protectable from unauthorized access space (27), comprising a frame (3) having a plurality of frame members (5, 7, 9, 11, 13, 15, 17) having each having a main plane side wall elements (19 , 21, 23, 25) at least partially surrounding the interior (27), and arranged at least one lockable door element and / or at least one (in the inner space 27) lockable drawer member (29), a first side wall member (19) between two first mutually opposite frame members (5) is arranged, it is provided that the first side wall member (19) each having a first contact surface (35) to the two first frame elements (5) on the interior (27) facing side of the two first frame members (5) and that a first locking element (37) between two frame members (5, 7, 9, 11, 13, 15, 17) is secured, the first side wall member (19) (in contact with the two first frame elements 5 ) keeps ,