In this conversation, Sujit Christy and Isaac Prince Jeffrey talk about modern testing approaches, specifically focusing on penetration testing. They discuss the drivers and challenges of implementing controls, the importance of visibility and validation in cybersecurity, and the role of pen testing in prioritizing security investments. They also touch on the interested parties in security testing, such as regulators, underwriters, and management teams. The conversation concludes with a discussion on the team composition for pen testing, including the roles of red, blue, purple, and white teams.