According to one embodiment, a data processing arrangement is described comprising a processor configured to carry out a computer program including a plurality of program instructions; a signature determination arrangement configured to determine a signature of the program instructions carried out by the processor wherein the processor is configured to, when it carries out a program instruction of the plurality of program instructions which indicates the next program instruction of the plurality of program instructions to be carried out, provide information about the indication to the signature determination arrangement; wherein the signature determination arrangement is configured to take into account the information in the determination of the signature; and a detector configured to check, when the computer program is completely carried out, whether the determined signature is equal to a reference signature.