Ahsan Khan, a full-time bug hunter, has been in this field for almost 5 years, honing his skills and finding incredible vulnerabilities. He attributes his interest in cybersecurity to a friend who hacked his computer, leading him to learn about hacking through online tutorials and articles. Ahsan started with easy-to-hunt programs and gradually moved on to bounty programs, impacting his life by providing financial stability and motivating him to work hard. He spends around 12-18 hours per day hunting bugs and has found that a strong mindset and persistence are key to success. Ahsan recommends starting with simple bugs, learning the basics, and using resources like PortSwigger Labs and PentesterLab for advanced techniques.