Tufin (TUFN) became the latest cyber security firm to have an initial public offering. In our first segment, we speak to its co-founder and CEO Reuven Kitov. Also: as more and more applications and workloads shift to the cloud, securing high-performance Linux environments has become a priority. In our second segment, we speak with Kelly Shortridge of the firm Capsule8, a firm that is offering attack protection for product linux environments.