Nowadays, huge amounts of data from sensors, individual archives, social networks, Internet of Things, enterprise and Internet are collected, shared and analysed. The features of Big Data such as Veracity, Volume, Variety and dynamicity bring new challenges to security and privacy protection.To protect the confidentiality, integrity and availability, traditional security measures such as cryptography, log/event analysis, intrusion detection/prevention, and access control have taken a new dimension. To protect the privacy, new pattern of measures such as privacy-preserved data analysis need to be explored. There is a lot of work to be done in this emerging field.