No, 30 is not too old to get into cybersecurity. Cybersecurity is a field that welcomes people from diverse backgrounds, ages, and experiences. As long as you have the interest, motivation, and willingness to learn and improve, you can start a career in cybersecurity at any age. You may need to invest more time and effort to catch up with the current skills and knowledge in the industry, but you can also leverage your previous experience and transferable skills to your advantage.