A lock for retrofitting onto a drawer or a door includes a drawer having a front panel. The drawer slidingly engages an item of furniture having a front face that is positioned above the front panel when the drawer is closed. A bracket has a vertically disposed flat front plate, a horizontally disposed flat top plate, a vertically disposed fiat back plate, and a horizontally disposed motor platform that extends horizontally into an interior of the drawer. A motor having an output shaft is mounted on the motor platform. A latch supported by the motor platform is engaged by the output shaft. The latch is retracted when the drawer is unlocked and is extended to engage an interior side of the front panel of the furniture item when the drawer is locked.