QATAR NATIONAL CYBER SECURITY STRATEGY Appendix A. ABBREVIATIONS APT Advanced Persistent Threat CERT Computer Emergency Response Team CII Critical Information Infrastructure CSCO Cyber Security Coordination Office CSO Critical Sector Organization DDoS Distributed Denial of Service EU European Union FIFA Fédération Internationale de Football Association FIRST Forum for Incident Response and Security Teams ICS Industrial Control System ICT Information and Communications Technology IREC Information Risk Expert Committee IT Information Technology ITU International Telecommunication Union NCSS National Cyber Security Strategy QCB Qatar Central Bank Q-CERT Qatar Computer Emergency Response Team 21