This presentation discusses 5G service implementation in Winter Olympics 2018. The presentation was given at ITU Workshop on 5G Security in Geneva, Switzerland, on 19 March 2018. More information on the symposium can be found here: https://www.itu.int/en/ITU-T/Workshops-and-Seminars/20180319/Pages/default.aspx https://www.slideshare.net/ITU/5g-service-implementation-in-winter-olympics-2018.