Brandyn Murtagh, known as gr3pme, is a HackerNotes writer with a decade of cybersecurity experience. He shares his unique journey into bug bounty hunting, discussing the power of mentorship and the importance of emotional regulation. The conversation delves into strategies for selecting targets and the benefits of networking in the hacking community. Murtagh also highlights insights on ecosystem hacking and vulnerability discovery, particularly in fintech, making the complex world of bug hunting both approachable and engaging for listeners.