Recent advances in security and privacy in big data

Big data has become an important topic in science, engineering, medicine, healthcare, finance, business and ultimately society itself. Big data refers to the massive amount of digital information stored or transmitted in computer systems. Approximately, 2.5 quintillion bytes of data are created every day. Almost 90% of data in the world today are created in the last two years alone. Security and privacy issues becomes more critical due to large volumes and variety, due to data hosted in large-scale cloud infrastructures, diversity of data sources and formats, streaming nature of data acquisition and high volume inter-cloud migration. In large-scale cloud infrastructures, a diversity of software platforms provides more opportunities to attackers. Traditional security mechanisms, which are usually invented for securing small-scale data, are inadequate. With a rapid growth of big data applications, it has become critical to introduce new security technology to accommodate the need of big data applications. The objective of this special issue is to capture the latest advances in this research field

On the Security of a User Equipment Registration Procedure in Femtocell-Enabled Networks

Mobile data traffic has been growing at an increasing rate with the popularity of smartphones, tablets, and other wireless devices. To reduce the load on the network, mobile network operators deploy femtocells to increase their coverage and performance and to eliminate wireless notspots. Femtocells are low-cost devices that connect a new femtocell network architecture to the core telecommunication network through a licensed spectrum and standardized interface protocols. In this paper, we first note that the user equipment registration procedure, which is defined in the 3GPP (Third Generation Partnership Project) standard, in a femtocellenabled network is vulnerable to denial-of-service attacks. We then propose a mechanism to defend against these attacks. For compatibility, the proposed mechanism makes use of the well-defined control message in the 3GPP standard and modifies the user equipment registration procedure as little as possible

On the Security of a User Equipment Registration Procedure in Femtocell-Enabled Networks

Mobile data traffic has been growing at an increasing rate with the popularity of smartphones, tablets, and other wireless devices. To reduce the load on the network, mobile network operators deploy femtocells to increase their coverage and performance and to eliminate wireless notspots. Femtocells are low-cost devices that connect a new femtocell network architecture to the core telecommunication network through a licensed spectrum and standardized interface protocols. In this paper, we first note that the user equipment registration procedure, which is defined in the 3GPP (Third Generation Partnership Project) standard, in a femtocellenabled network is vulnerable to denial-of-service attacks. We then propose a mechanism to defend against these attacks. For compatibility, the proposed mechanism makes use of the well-defined control message in the 3GPP standard and modifies the user equipment registration procedure as little as possible