Abstract: A security casing (1) for protecting a bandit type gaming machine (2) from cash theft, comprises a sheet steel carcase made up of two side panels (3) reflecting the profile of conventional side panels of a bandit type gaming machine, a base panel (4), a back panel (5) and a top panel (6), all being rectangular and approximating in dimensions to the base, back, and top dimensions of a bandit type gaming machine, so that the casing (1) as a whole is a reasonably close fit about an industry-standard bandit-type gaming machine, the panels (3, 4, 5 and 6) being secured together to define an open fronted casing, a lower door (21) releasably attached to, and extending upwardly from, the base panel (4) and extending laterally to the side panels (3) to which it is also releasably attached, a metal-lath shutter (12) located within the casing (1), at a front zone of the casing, and being movable between a retracted position in which the casing is open to provide access to the gaming machine and a deployed position, in w