With an end-to-end preparation model, Testbook brings another treat for its readers with this IB Security Assistant - Testbook App. We aim at providing the learning experience to the aspirants of this IB Security Assistant exam and help them with their selections. This app has been designed keeping in mind the requirements and the IB Security Assistant exam pattern. Apart from the subject-specific notes, we also offer various practice and reading material with downloadable PDFs. This is all t