For the request of the Ministry of the Health Simplexion Ltd. prepared the IT secure review of the Országos Vérellátó Szolgálat.This general review was prepared after the introduction of the eProgesa system (centralized blood management system). The main role was during the review to define whether the used sources were used in a right way. Simplexion Ltd. summarized the experiences and results in a report with evidences for our statements.