Multimedia Big Data (MMBD) is growing day by day because data is created by everyone and for everything from mobile devices, digital camera, digital game, multimedia sensor, video lectures, and social networking sites, etc. It is observed that various organizations and businesses moving toward it and taking out the benefits from it. MMBD has its applications in various fields that containing social networking sites, science and research, business enterprises, surveillance image and video, health care industries, etc. Huge size of data is being transfered from the Internet in each second. Due to increase in MMBD, it is necessary to protect this data from external threats or malicious attacks which can affect privacy, integrity, and genuineness of information systems. Therefore, to protect the integrity, identity, and security of individual’s data from these unwanted malicious attacks, an effective security mechanism is much needed. In this paper, the author discussed about the current issues in MMBD and security approaches to deal with these issues and also, focus on multimedia big data security and privacy. It also enumerated the directions to be taken while using MMBD along with security measures.
