In cyberspace , there are many aggressive actors, no clear rules and borders, many insecurities and unknowables. But organisations do not have to face these challenges alone: International cooperation across all sectors is an integral aspect of solving the issues of cyber conflict. At IWC Schaffhausen IT day, Michael Schneider of IWC and Hans-Wilhelm Dünn spoke about the difficulty of attribution, which is difficult, time-intensive and imprecise at the moment. Businesses cannot meet these challenges alone: International cooperation across all sectors is an integral aspect to solve these issues. We also need new legislative initiatives which supports cooperation and takes these issues seriously!