GLESEC Announces Participation in ITSEC 2019 Show in Orlando Leading innovation in the integration of Cyber Security and Compliance ORLANDO, FLORIDA. December 9th, 2019. International Cyber-Security Firm GLESEC announces it participated in the largest simulation conference in the world, ITSEC 2019 on December 2nd – December 5th at the Orlando Convention Center in Orlando, Florida. At the ITSEC 2019 conference