Roldán Rodríguez is a professional in the field of IT and communications with over 25 years of experience. He has worked as a telecommunications technician, hardware technician, system administrator, and cybersecurity specialist. He has been involved with companies in various sectors such as tourism, software programming, cybersecurity, maritime transport, and public health. He has also taught courses and workshops on various topics, including network administration and web application security. He promotes the use of open-source software in both applications and operating systems. He has experience managing heterogeneous network environments with interoperability between Windows, Linux, Unix, and other operating systems. With over 10 years of experience in cybersecurity and ethical hacking, he has provided network security and web application consulting to companies of all sizes, from local small businesses to large corporate groups.He now offers his knowledge and experience gained through research, teaching, and years of professional career, with the desire to provide useful knowledge and help professionals improve or simply provide readers with a general understanding of some of the most current topics in the IT world.Read more about this authorRead less about this author