A fall arrest device for securing a climber to a cable in a manner that prevents the climber from falling. The device can run along an elongate securing cable as the climber ascends and descends during use. The device has a base body having a guide element and a receiving body having longitudinal axis designed to receive the cable therebetween, a housing fastened movably on the base body, and a securing element having a first securing bolt. The securing element is fastened rotatably on the base body and the housing in order to clamp the cable against the receiving body to arrest the climber during a fall.