SBU СБУ
The Security Service of Ukraine (Ukrainian: Служба Безпеки України (СБУ); Sluzhba Bezpeky Ukrayiny), or SBU, is Ukraine's special-purpose law-enforcement agency and main government security agency in the areas of counterintelligence activity and of combatting terrorism. (from "Wikipedia article":[https://en.wikipedia.org/wiki/Security_Service_of_Ukraine])
security service of ukraine