'We have to take action'To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video01/07/2019January 7, 2019German investigators hunt for the hacker behind a massive data breach. Police want to know who leaked personal details stolen from the country's politicians. DW spoke with German justice minister Katarina Barley about digital security shortcomings. https://p.dw.com/p/3BANIAdvertisement