The duration of transitioning from an I.T. professional to a cybersecurity professional varies depending on your current skills and experience and the specific cybersecurity role you are interested in. It is important to note that many cybersecurity positions require specialized knowledge and certifications. To expedite the process, research the specific areas of cybersecurity you are interested in and pursue relevant certifications. Gaining hands-on experience through internships or entry-level cybersecurity positions can also help accelerate the transition process.