A method for detection of tampering with a value and / or security document

The invention relates to a method for detection of tampering with a value and / or security document, wherein to a data carrier (11) at least one image (15) is applied by a laser device which consists of a plurality of pixels, where gray, brightness or color values ​​are assigned, wherein in the applied image (15) at least one zone (22) is formed, which is free of image points to be applied from the actual image and the at least one zone (22) additional information with at least one security feature (21 ) are introduced into an evaluation device, which comprises one or more graphical or geometric laser structures that differ (of pixels of the applied image 15), wherein at least one of graphic and / or geometric laser structure (23) is optically detected and compared with at least one security feature, which during the application of the image (15) for producing the data carrier rs (11) has been applied. (For this figure