A method of handling safety of an industrial robot, the method including providing at least one virtual safety border defined in relation to the industrial robot, where each virtual safety border is associated with a condition to be fulfilled by the industrial robot; obtaining environment data of a physical environment of the industrial robot by means of an environment sensor; determining, by a control system, an obstacle position of an obstacle in the environment based on the environment data; and evaluating, by the control system, a border position of each virtual safety border with regard to the obstacle position. Control systems for handling safety of an industrial robot in an environment, and a method including defining at least one virtual safety border in relation to the industrial robot based on the environment data, are also provided.