The simple answer to this question is yes, and no. The no portion of this question is that there is no such thing as rank certification under Black Belt. Martial art organizations only keep account of members who have attained a Black Belt. The reason for this is that so many individuals begin training, and then quit. It would be a large undertaking to keep track of every student that ever trained. Ranks given under Black Belt are for internal school use to know at what level a student is in THAT school’s curriculum.
Once a student successfully passes their Black Belt test, the answer to this question then becomes yes, All Cyber Taekwondo Black Belt students will receive an international Black Belt in Taekwondo from the Kukkiwon. The Kukkiwon is based in Seoul, South Korea, and is the highest authority on Taekwondo in the world. The rank you receive from the Kukkiwon can be taken to any Taekwondo school, however, it does not work the other way around. To put the prestige of this organization into perspective, Taekwondo practitioners who wish to compete in the Olympics must have a Kukkiwon certification to even be considered. Other major competitions around the world such as the US Open, World Championships, Grand Prix, Grand Slam, and many others also require this certification.