In Episode S7E3, the discussion features Marko Simenov, CEO of Plainsea, who talks about the company's innovative augmented penetration testing platform. Marko explains the origins of Plainsea, its unique features, and its benefits to both pen-testing companies and their clients, including time and cost savings, continuous testing capabilities, and improved efficiency. The conversation also covers Plainsea's integration with various industries, compliance requirements, and other cybersecurity software, as well as its potential for future development based on user feedback and market demands.