Director of RATEL, dr Vladica Tintor and the National CERT hosted Mr. Fred Ruonavar, Chief of Defense Information System Agency / DoD Information Network Critical Infrastructure Protection and Contingencies Operations Branch, Operations Directorate at RATEL's premises in Belgrade. This IT security expert's visit was organized by the US Embassy in Belgrade, as part of the Speakers Progam. The topic of the conversation was enhancement of the critical infrastructure protection and regulations in the area of cyber security.