The Computer Science Department discussed the tagged master's thesis Conceal Secret Data Into Medical image By Using Chaotic Map For the student (Abbas Zamil Hussein), Computer Science/General. On Tuesday, 11/28/2023, in the discussion room in the Computer Science Department building. The thesis aims to propose a multi-stage encryption system to ensure greater confidentiality of medical images. The level of confidentiality can be increased by using multiple chaotic maps. In this thesis, chaos was studied in great detail, including: This is its impact on secure communications and suggested a method of hiding information based on chaotic maps. The discussion committee consisted of Prof. Dr. Sadiq Abdulaziz Mahdi as chairman and Prof. Dr. Abeer Tariq Mawlood, Prof. Dr. Salma Hamidi Abdullah, and Prof. Dr. Maysaa as members. Abdel Ali Khader, member and supervisor. ​