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Author : Cristina Pérez-Solà
Publisher :
Page : 197 pages
File Size : 37,11 MB
Release : 2016
Category :
ISBN :
Author : Sourya Joyee De
Publisher : Springer Nature
Page : 95 pages
File Size : 23,12 MB
Release : 2022-06-01
Category : Computers
ISBN : 3031023552
The social benefit derived from Online Social Networks (OSNs) can lure users to reveal unprecedented volumes of personal data to an online audience that is much less trustworthy than their offline social circle. Even if a user hides his personal data from some users and shares with others, privacy settings of OSNs may be bypassed, thus leading to various privacy harms such as identity theft, stalking, or discrimination. Therefore, users need to be assisted in understanding the privacy risks of their OSN profiles as well as managing their privacy settings so as to keep such risks in check, while still deriving the benefits of social network participation. This book presents to its readers how privacy risk analysis concepts such as privacy harms and risk sources can be used to develop mechanisms for privacy scoring of user profiles and for supporting users in privacy settings management in the context of OSNs. Privacy scoring helps detect and minimize the risks due to the dissemination and use of personal data. The book also discusses many open problems in this area to encourage further research.
Author : Yaniv Altshuler
Publisher : Springer Science & Business Media
Page : 254 pages
File Size : 12,44 MB
Release : 2012-08-14
Category : Computers
ISBN : 1461441390
Security and Privacy in Social Networks brings to the forefront innovative approaches for analyzing and enhancing the security and privacy dimensions in online social networks, and is the first comprehensive attempt dedicated entirely to this field. In order to facilitate the transition of such methods from theory to mechanisms designed and deployed in existing online social networking services, the book aspires to create a common language between the researchers and practitioners of this new area- spanning from the theory of computational social sciences to conventional security and network engineering.
Author : Elena Zheleva
Publisher : Morgan & Claypool Publishers
Page : 87 pages
File Size : 19,78 MB
Release : 2013-03-01
Category : Computers
ISBN : 1608458636
This synthesis lecture provides a survey of work on privacy in online social networks (OSNs). This work encompasses concerns of users as well as service providers and third parties. Our goal is to approach such concerns from a computer-science perspective, and building upon existing work on privacy, security, statistical modeling and databases to provide an overview of the technical and algorithmic issues related to privacy in OSNs. We start our survey by introducing a simple OSN data model and describe common statistical-inference techniques that can be used to infer potentially sensitive information. Next, we describe some privacy definitions and privacy mechanisms for data publishing. Finally, we describe a set of recent techniques for modeling, evaluating, and managing individual users' privacy risk within the context of OSNs. Table of Contents: Introduction / A Model for Online Social Networks / Types of Privacy Disclosure / Statistical Methods for Inferring Information in Networks / Anonymity and Differential Privacy / Attacks and Privacy-preserving Mechanisms / Models of Information Sharing / Users' Privacy Risk / Management of Privacy Settings
Author : Barbara Carminati
Publisher : Springer Nature
Page : 110 pages
File Size : 45,78 MB
Release : 2022-05-31
Category : Computers
ISBN : 3031023390
The enormous success and diffusion that online social networks (OSNs) are encountering nowadays is vastly apparent. Users' social interactions now occur using online social media as communication channels; personal information and activities are easily exchanged both for recreational and business purposes in order to obtain social or economic advantages. In this scenario, OSNs are considered critical applications with respect to the security of users and their resources, for their characteristics alone: the large amount of personal information they manage, big economic upturn connected to their commercial use, strict interconnection among users and resources characterizing them, as well as user attitude to easily share private data and activities with strangers. In this book, we discuss three main research topics connected to security in online social networks: (i) trust management, because trust can be intended as a measure of the perception of security (in terms of risks/benefits) that users in an OSN have with respect to other (unknown/little-known) parties; (ii) controlled information sharing, because in OSNs, where personal information is not only connected to user profiles, but spans across users' social activities and interactions, users must be provided with the possibility to directly control information flows; and (iii) identity management, because OSNs are subjected more and more to malicious attacks that, with respect to traditional ones, have the advantage of being more effective by leveraging the social network as a new medium for reaching victims. For each of these research topics, in this book we provide both theoretical concepts as well as an overview of the main solutions that commercial/non-commercial actors have proposed over the years. We also discuss some of the most promising research directions in these fields.
Author :
Publisher :
Page : pages
File Size : 45,45 MB
Release : 2009
Category :
ISBN :
Measuring privacy risk in online social networks is a challenging task. One of the fundamental difficulties is quantifying the amount of information revealed unintentionally. We present PrivAware, a tool to detect and report unintended information loss in online social networks. Our goal is to provide a rudimentary framework to identify privacy risk and provide solutions to reduce information loss. The first instance of the software is focused on information loss attributed to social circles. In subsequent releases we intend to incorporate additional capabilities to capture ancillary threat models. From our initial results, we quantify the privacy risk attributed to friend relationships in Facebook. We show that for each user in our study a majority of their personal attributes can be derived from social contacts. Moreover, we present results denoting the number of friends contributing to a correctly inferred attribute. We also provide similar results for different demographics of users. The intent of PrivAware is to not only report information loss but to recommend user actions to mitigate privacy risk. The actions provide users with the steps necessary to improve their overall privacy measurement. One obvious, but not ideal, solution is to remove risky friends. Another approach is to group risky friends and apply access controls to the group to limit visibility. In summary, our goal is to provide a unique tool to quantify information loss and provide features to reduce privacy risk.
Author : Michael Cross
Publisher : Newnes
Page : 347 pages
File Size : 21,2 MB
Release : 2013-11-01
Category : Computers
ISBN : 1597499870
Social networks, particularly public ones, have become part of the fabric of how we communicate and collaborate as a society. With value from micro-level personal networking to macro-level outreach, social networking has become pervasive in people’s lives and is now becoming a significant driving force in business. These new platforms have provided new approaches to many critical enterprise functions, including identifying, communicating, and gathering feedback with customers (e.g., Facebook, Ning); locating expertise (e.g., LinkedIn); providing new communication platforms (e.g., Twitter); and collaborating with a community, small or large (e.g., wikis). However, many organizations have stayed away from potential benefits of social networks because of the significant risks associated with them. This book will help an organization understand the risks present in social networks and provide a framework covering policy, training and technology to address those concerns and mitigate the risks presented to leverage social media in their organization. The book also acknowledges that many organizations have already exposed themselves to more risk than they think from social networking and offers strategies for "dialing it back" to retake control. Defines an organization's goals for social networking Presents the risks present in social networking and how to mitigate them Explains how to maintain continuous social networking security
Author : Alan Oxley
Publisher : Elsevier
Page : 293 pages
File Size : 33,32 MB
Release : 2013-07-31
Category : Health & Fitness
ISBN : 1780633807
Security measures can be used by management, IT staff, and users in participatory/collaborative service provision within the public sector. Security Risks in Social Media Technologies explores this use. Topics are targeted, and issues raised and lessons learnt are analyzed. The book helps the reader understand the risks posed by relevant Web 2.0 applications and gives clear guidance on how to mitigate those risks. The body of the book is concerned with social media, the dominant Web 2.0 technology associated with security in the public sector, and is structured into eight chapters. The first chapter introduces the background for the work; the second covers uses of social media; the third covers relevant security threats; the fourth chapter concerns the security controls applied to the participation-collaboration pattern; the fifth chapter then considers acceptable use practices; the sixth chapter covers participation-collaboration in the context of schools; the seventh chapter shows an alternative way of classifying controls to that given in the fourth chapter; and the final chapter offers a conclusion. Focuses on the security issues of social media, specifically in the public sector Written by a leading researcher and practitioner Shows best practices for mitigating risk in the use of social media
Author : David R. Brake
Publisher : Springer
Page : 202 pages
File Size : 40,80 MB
Release : 2014-09-25
Category : Social Science
ISBN : 1137312718
Why do we share so much about our lives on social media when we often have little idea who might be reading or viewing? David R. Brake examines the causes and consequences of moving towards a radically open society.
Author : Sabine Trepte
Publisher : Taylor & Francis
Page : 349 pages
File Size : 30,33 MB
Release : 2023-06-27
Category : Computers
ISBN : 1000896455
This volume provides the basis for contemporary privacy and social media research and informs global as well as local initiatives to address issues related to social media privacy through research, policymaking, and education. Renowned scholars in the fields of communication, psychology, philosophy, informatics, and law look back on the last decade of privacy research and project how the topic will develop in the next decade. The text begins with an overview of key scholarship in online privacy, expands to focus on influential factors shaping privacy perceptions and behaviors – such as culture, gender, and trust – and continues with specific examinations of concerns around vulnerable populations such as children and older adults. It then looks at how privacy is managed and the implications of interacting with artificial intelligence, concluding by discussing feasible solutions to some of the more pressing questions surrounding online privacy. This handbook will be a valuable resource for advanced students, scholars, and policymakers in the fields of communication studies, digital media studies, psychology, and computer science. Chapter 22 and Chapter 30 of this book are freely available as downloadable Open Access PDFs at http://www.taylorfrancis.com under a Creative Commons Attribution-Non Commercial-No Derivatives (CC-BY-NC-ND) 4.0 license.