Article on PIN use published in Tagesanzeiger
The article "Fast jeder Zehnte nutzt die PIN 1234" that contains interview parts with Verena Zimmermann has been published by the Tagesanzeiger. Link: https://www.tagesanzeiger.ch/fast-jeder-zehnte-nutzt-die-pin-1234-267435884634
You can access the article from the following external page link.