Products that have been tested and certified in accordance with the test principles of DGUV Test may be labelled with its test mark. The GS-IFA-M24 test principles for the testing and certification of security aspects concerning the functional safety of industrial automation systems currently cover Security Level 1. The security level to be applied for a component or system must be determined by means of a specific risk analysis. The GS-IFA-M24 test principles (PDF, 285 kB, non-accessible) set out requirements in seven essential areas of IT security for attainment of Security Level 1. Satisfaction of these requirements is determined and evaluated by a testing and certification body in DGUV Test. A product certified in this way may bear the DGUV Test’s "Industrial security tested" test mark.
The test principles were produced jointly by the following testing and certification bodies in DGUV Test:
Prüfgrundsatz GS-IFA-M24 (PDF, 543 kB, non-accessible) (Test Principle, in German only): Standards for the testing and certification of security aspects in the functional safety of industrial automation systems