SummaryI/ITSEC Expo is happening from 26 November 2018, Monday to 30 November 2018, Friday at Orange County Convention Center in Orlando, FL. The organizer of the event is National Defense Industrial Association. The event is open to trade visitors. The estimated number of attendance is 15,000. The estimated number of exhibitors is 400. The frequency of I/ITSEC Expo is annual. The event has been running since 1966.