Workshop on improving cooperation and exchanging information for combating radiological and nuclear traffic. took place in the city. Yes Nang, Vietnam, organized by COE centers (COE) to reduce chemical, biological, radiological and nuclear (CBRN) (EU) (EU). from Europe, to share information on the numerous cases of illicit traffic with radioactive sources. In particular, the cases of illicit traffic with playing books marked with iodine 125 radioactive, detected in different regions worldwide, including in the Republic of Moldova have been discussed and analyzed. involved in these illicit traffic activities, thus increasing radiological and nuclear security worldwide.