Security department of BSMRAU comes under Proctor wing. There are one Deputy Registrar, one senior security officer,  one Assistant security officer, one security assistant, 02 security guards, o3 master roll security guards, 37 man days security guards and 50 ansars in security department. Security personnel are always alert and perform their duties professionally. Every day security personnel makes entry of all types of vehicles entering into/going outside from campus. Unauthorized entrance is confirmed from both of two gates. Security department is committed to provide security for all sorts of programs of university. Besides these security department is loyal to perform any kind of duty advised from administration.