The present invention pertains to a process for providing failure safety for a medical monitoring procedure (40) of patient data (41), wherein the medical monitoring procedure (40) is carried out by a standard computer (10), wherein the patient data (41) are sent, furthermore, to the standard computer (10) and are compared with threshold values there. The present invention further pertains to a control device (20), to a computer program product (30) as well as to a system (1) for providing failure safety for a medical monitoring procedure (40) of patient data (41), wherein the medical monitoring procedure (40) is carried out by a standard computer (10).