Security in Location Based Services (original) (raw)
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Security and Privacy in Location-Based Services
Advanced Location-Based Technologies and Services, 2013
Location-based Services (LBS) have gained popularity as a result of the advances in mobile and communication technologies. LBS provide users with relevant information based on their location. In spite of the desirable features provided by LBS, the geographic locations of users are not adequately protected. Location privacy is one of the major challenges in vehicular and mobile networks. In this article, we analyse the security and privacy requirements for LBS in vehicular and mobile networks. Specifically, this paper covers privacy enhancing technologies and cryptographic approaches that provide location privacy in vehicular and mobile networks. The different approaches proposed in literature are compared and open research areas are identified.
Survey on Security and Privacy Aware Location Based Service System
2014
Recently, Smartphone devices are highly accurate at determining location knowledge that it enables many users to provide various location sensitive services. But on the other side, such position data of user may include deeply personal information. The protection of location privacy is one of the most significant problems in location-based services. However, a user’s location can be tracked without her consent or knowledge. The user may also cheat by transmitting a fake location, enabling the user to access a restricted data or content erroneously. Unfortunately, LBSs have raised concerns about system security and users’ privacy which leads to issues hindering the wide acceptance of LBS applications is the lack of appropriate methodologies offering fine grain privacy controls to a user without affecting vastly the usability of the service. There have been a number of privacy-preserving and content-protecting models and algorithms proposed in the past few years, including a generaliz...
Location Privacy in Location Based Services: Unsolved Problem and Challenge
Location Based Services (LBS) is one of the emerging technologies in the mobile, networking and information services. LBS, the branch of computer program-level services used in various fields and support, the application are broadly classified as Maps and Navigation, Information service, Tracking service, Games, Social networking, Vehicular navigation and Advertising. Location is mainly determined into two levels such as internally by a device or externally by systems and kind of networks with which the device interrelates. The advanced mobile networking and communication lend a hand to the civilization with various location based mobile application but while concerning about location privacy, there is most prominent question from the society, how about my location privacy? This article reviews a selected level of privacy in location based services that have been published in the different research journal. The review throws light on the threat and remedy on location privacy in the location based application and services that are represented.
A Step towards User Privacy while Using Location-Based Services
Nowadays mobile users are using a popular service called Location-Based Services (LBS). LBS is very helpful for a mobile user in finding various Point of Interests (POIs) in their vicinity. To get these services, users must provide their personal information, such as user identity or current location, which severely risks the location privacy of the user. Many researchers are developing schemes that enable a user to use these LBS services anonymously, but these approaches have some limitations (i.e., either the privacy prevention mechanism is weak or the cost of the solution is too much). As such, we are presenting a robust scheme for mobile users that allows them to use LBS anonymously. Our scheme involves a client side application that interacts with an untrusted LBS server to find the nearest POI for a service required by a user. The scheme is not only efficient in its approach, but is also very practical with respect to the computations that are done on a client’s resource constrained device. With our scheme, not only can a client anonymously use LBS without any use of a trusted third party, but also a server’s database is completely secure from the client. We performed experiments by developing and testing an Android-based client side smartphone application to support our argument.
Privacy in Location based Systems
Global journal of computer science and technology, 2019
Recent advancements in technology have opened new avenues for services like the Location based services. Location based services are applications of mobile technology that utilize the information about the location of the user. It uses the Global Positioning System GPS to acquire and transmit user location. Billions of people create an unprecedented amount of data that either includes or allows the inference of highly sensitive information amidst which user location is one of them. However, this information is shared with third party without the knowledge or consent of the user. This is a violation of privacy as some users will or may not want to disclose their location to some people. This paper aims to raise awareness about privacy issues created as a result of location based services. History of location based services were discussed, information privacy and privacy issue surrounding the location based service were also discussed. Despite the myriad opportunities location based s...
Privacy and Protection for Location Based Services
— An LBS (location based service) provides services such as finding the nearest location, favourite entertainment areas etc, to the users based on either their residing area or based on the input the give. The services provided by a location based service are typically based on a point of interest database. Therefore retrieval of the data from the database server takes place. The work proposed is a novel protocol for location based queries that has major performance improvements, which is performed based on two stages-firstly, the user determining his/her location privately and secondly, the server protecting its data from unauthorized users for which they have not paid. This protocol enables security for the user's details as well as protects the server's data. The user is protected because the server is unable to determine his/her location. In the same way, the server's data is protected as a malicious user can only decrypt the part of data obtained to the user with the encryption key acquired in the previous phase, that is he/she cannot decrypt the remaining server data that they are not supposed to authorise. In other words, users can never get the data more than what they have paid for. A phase called oblivious transfer phase is present so as to ensure the privacy of the user and a phase called private information retrieval phase is carried out to protect server's data. Keywords— Location based service, Point of Interest database, oblivious transfer phase, Private information retrieval phase.
KSII Transactions on Internet and Information Systems
Location-based services (LBSs) have become popular in recent years due to the ever-increasing usage of smart mobile devices and mobile applications through networks. Although LBS application provides great benefits to mobile users, it also raises a sever privacy concern of users due to the untrusted service providers. In the lack of privacy enhancing mechanisms, most applications of the LBS may discourage the user's acceptance of location services in general, and endanger the user's privacy in particular. Therefore, it is a great interest to discuss on the recent privacy-preserving mechanisms in LBSs. Many existing location-privacy protection-mechanisms (LPPMs) make great efforts to increase the attacker's uncertainty on the user's actual whereabouts by generating a multiple of fake-locations together with user's actual positions. In this survey, we present a study and analysis of existing LPPMs and the state-of-art privacy measures in service quality aware LBS applications. We first study the general architecture of privacy qualification system for LBSs by surveying the existing framework and outlining its main feature components. We then give an overview of the basic privacy requirements to be considered in the design and evaluation of LPPMs. Furthermore, we discuss the classification and countermeasure solutions of existing LPPMs for mitigating the current LBS privacy protection challenges. These classifications include anonymization, obfuscation, and an encryption-based technique, as well as the combination of them is called a hybrid mechanism. Finally, we discuss several open issues and research challenges based on the latest progresses for ongoing LBS and location privacy research.
A Survey on Privacy in Location-Based Services
ingeniería y desarrollo, 2014
Location services have become popular over the last years due to the global adoption of smartphones and the worldwide availability of the Global Positioning System (GPS) and other positioning methods. Locationbased services (LBSs) offer relevant information to users based on their location. Some common applications of LBSs are traffic or public transportation information, search of points of interest (restaurants, stores, etc.), navigation, among others. Despite all the desirable features that these services provide, most of them do not provide adequate protection of the geographical location of the users, putting them at risk if their information falls in wrong hands. This paper presents a compendium of techniques to protect the location privacy of the users, and introduces an approach to compare and evaluate the presented mechanisms and their viability to be used in different kinds of LBSs.
Towards Achieving Personalized Privacy for Location-Based Services
Transactions on Data Privacy, 2009
With the growth of wireless and mobile technologies, we are witnessing an increase in location-based services (LBSs). Although LBSs provide enhanced functionalities, they open up new vulnerabilities that can be exploited to cause security and privacy breaches. Consequently, location data of individuals used by such services must be adequately protected. Such services will require new models for expressing privacy preferences for location data and mechanisms for enforcing them. We identify the factors on which location privacy depends and propose models for expressing privacy that can be used by LBSs. We discuss the architecture of a system that allows one to specify and enforce location privacy and that can be easily integrated with existing systems providing LBSs. We demonstrate the feasibility of our approach by developing a prototype.
Location-Privacy Scheme for Location-Based Services
A Vehicular Ad-hoc Network (VANET) is a type of Mobile Ad-hoc Network (MANET) that is used to provide communications between nearby vehicles on a hand, and between vehicles and fixed infrastructure on the roadside on the other hand. VANET is not only used for road safety and driving comfort but also for infotainment. An application area which is expected to greatly benefit from this advanced technology is Location Based Service (LBS): a service which helps users in finding nearby places. However, this application raises a privacy issue for these users since it can profile them and track their physical location. Therefore, to successfully deploy LBS, user’s privacy is one of major challenges that must be addressed. In this paper, we propose a location privacy protection scheme to encourage drivers to use this service without any risk of being pursued. Our system was implemented using NS2 network simulator and found to achieve high values of anonymity.