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Marcin Cichocki is a seasoned cybersecurity professional currently serving as a Senior Network Security Engineer at CityFibre since August 2021, where responsibilities include securing the Active Network and ensuring compliance while managing risks. With prior experience as a Network Security Engineer at Avanti Communications Group plc and roles focused on incident response and operational security at YouView TV Limited and Argus Media, Marcin has developed a robust expertise in defining security requirements and enhancing infrastructure. A strong foundation in IT security was built through earlier positions as a Security Specialist and IT Security Consultant, complemented by extensive education, including a Master of Science in Information Technology from Warsaw University of Technology and multiple industry certifications such as CISSP and CISM.