Korak (Klingon)

Korak was a Klingon officer in the Klingon Intelligence in the early 25th century, holding the rank of Commander. 

Factions he provides info on

 * United Federation of Planets
 * Klingon Empire
 * Romulan Star Empire
 * Undine
 * Borg Collective
 * Cardassian Union/True Way
 * Dominion