Current research and open problems in attribute-based access control

D Servos, SL Osborn - ACM Computing Surveys (CSUR), 2017 - dl.acm.org
Attribute-based access control (ABAC) is a promising alternative to traditional models of
access control (ie, discretionary access control (DAC), mandatory access control (MAC), and …

An access control model for online social networks using user-to-user relationships

Y Cheng, J Park, R Sandhu - IEEE transactions on dependable …, 2015 - ieeexplore.ieee.org
Users and resources in online social networks (OSNs) are interconnected via various types
of relationships. In particular, user-to-user relationships form the basis of the OSN structure …

Optimization of access control policies

S Kern, T Baumer, S Groll, L Fuchs, G Pernul - Journal of Information …, 2022 - Elsevier
Organizations undertake complex and costly projects to model high-quality Access Control
Policies (ACPs). Once built, these policies must be maintained and managed in an ongoing …

Preserving privacy in multimedia social networks using machine learning anomaly detection

R Aljably, Y Tian, M Al-Rodhaan - Security and Communication …, 2020 - Wiley Online Library
Nowadays, user's privacy is a critical matter in multimedia social networks. However,
traditional machine learning anomaly detection techniques that rely on user's log files and …

Classifying and comparing attribute-based and relationship-based access control

T Ahmed, R Sandhu, J Park - Proceedings of the Seventh ACM on …, 2017 - dl.acm.org
Attribute-based access control (ABAC) expresses authorization policy via attributes while
relationship-based access control (ReBAC) does so via relationships. While ABAC concepts …

Extended authorization policy for graph-structured data

A Mohamed, D Auer, D Hofer, J Küng - SN Computer Science, 2021 - Springer
The high increase in the use of graph databases also for business-and privacy-critical
applications demands for a sophisticated, flexible, fine-grained authorization and access …

Efficient authorization of graph-database queries in an attribute-supporting rebac model

SZR Rizvi, PWL Fong - ACM Transactions on Privacy and Security …, 2020 - dl.acm.org
Neo4j is a popular graph database that offers two versions: an enterprise edition and a
community edition. The enterprise edition offers customizable Role-based Access Control …

A trust-based collaborative access control model with policy aggregation for online social networks

NC Rathore, S Tripathy - Social Network Analysis and Mining, 2017 - Springer
Online social network (OSN) has become one of the primary means of interaction and digital
information sharing among individuals. Preserving information privacy is indispensable in …

Formal analysis of rebac policy mining feasibility

S Chakraborty, R Sandhu - … of the Eleventh ACM Conference on Data …, 2021 - dl.acm.org
Relationship-Based Access Control (ReBAC) expresses authorization in terms of various
direct and indirect relationships amongst entities, most commonly between users. The need …

On feasibility of attribute-aware relationship-based access control policy mining

S Chakraborty, R Sandhu - Data and Applications Security and Privacy …, 2021 - Springer
This paper studies whether exact conversion to an AReBAC (Attribute-aware Relationship-
Based Access Control) system is possible from an Enumerated Authorization System (EAS) …