Everyone is talking about digital sovereignty. In part 1 of our blog series, we showed that it is not a political vision but a genuine business foundation. Part 2 focused on the fundament: data centers, cloud and IT infrastructure. Now we turn to the layer users work with every day: platforms, solutions and services, above all in IT security. This raises the final question: when and how are you truly sovereign and independent at this level? Because this is where it becomes clear whether the aspiration turns into lived practice.