Rethink Cybersecurity (hosted by SBA and Anovis) took place on March 14, 2019 as a co event of the 2019 Vienna Cyber Security Week. The session brought together over one hundred decision makers in business, research and government. The agenda featured a total of eight talks and panels on future security threats in cyberspace and new ways of approaching upcoming challenges. On this note SBA introduced five European IT startups targeting respective issues and trying to come up with new ideas, products and services. The selected startups will be competing for the fifth Security Rockstars title.