at 3 o'clock, the first cyber security event in iran called meko. ctif was held. in this competition , more than 2000 participants from 104 different countries, including america, india, russia, china and japan participated online and iranian representatives participated in person . the purpose of this competition was to challenge the ability of the participants by focusing on the area of information security, reverse engineering, advanced cryptography and penetration of applications rather than their skill ability. among other teams. according to the range of participants that i mentioned, 14 countries and 1257 teams were in this event. it has truly become a national achievement and i would like to tell you that perhaps the most important achievement of this event is the interest of the new generation of cyber security experts and their training by the same teams that you see here and the new techniques of cyber security . the ridge between the cities of hamidiyeh, dasht azadegan and shush is led. the design of environmentally friendly soil coverings is a natio