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Related papers: Relationship-Based Access Control for OpenMRS

200 papers

The computing continuum introduces new challenges for access control due to its dynamic, distributed, and heterogeneous nature. In this paper, we propose a Zero-Trust (ZT) access control solution that leverages decentralized identification…

The Internet of Things (IoT) necessitates robust access control mechanisms to secure a vast array of interconnected devices. Most of the existing IoT systems in practice use centralized solutions. We identify the problems in such solutions…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-05-27 Yongtao Huang , I-Ling Yen , Farokh Bastani

As digital healthcare evolves, the security of electronic health records (EHR) becomes increasingly crucial. This study presents the GPT-Onto-CAABAC framework, integrating Generative Pretrained Transformer (GPT), medical-legal ontologies…

Computers and Society · Computer Science 2024-03-14 Raza Nowrozy , Khandakar Ahmed , Hua Wang

While Mandatory Access Controls (MAC) are appropriate for multilevel secure military applications, Discretionary Access Controls (DAC) are often perceived as meeting the security processing needs of industry and civilian government. This…

Cryptography and Security · Computer Science 2009-06-03 David F. Ferraiolo , D. Richard Kuhn

Administrative Role Based Access Control (ARBAC) models specify how to manage user-role assignments (URA), permission-role assignments (PRA), and role-role assignments (RRA). Many approaches have been proposed in the literature for URA,…

Cryptography and Security · Computer Science 2018-12-27 Jiwan Ninglekhu , Ram Krishnan

With the rapid advances in computing and information technologies, traditional access control models have become inadequate in terms of capturing fine-grained, and expressive security requirements of newly emerging applications. An…

Cryptography and Security · Computer Science 2021-02-02 Leila Karimi , Maryam Aldairi , James Joshi , Mai Abdelhakim

Critical energy infrastructures increasingly rely on information and communication technology for monitoring and control, which leads to new challenges with regard to cybersecurity. Recent advancements in this domain, including…

Cryptography and Security · Computer Science 2026-03-25 Moritz Gstür , Gustav Keppler , Mohammed Ramadan , Ghada Elbez , Veit Hagenmeyer

A clinical dashboard for a patient's diabetes condition helps physicians to make better decisions based on readily available information. OpenMRS is a widely used open-source electronic health records system but does not provide a…

Human-Computer Interaction · Computer Science 2019-10-28 Bhanu Teja Yandrapalli , Josette Jones , Saptarshi Purkayastha

Risk-based authentication (RBA) extends authentication mechanisms to make them more robust against account takeover attacks, such as those using stolen passwords. RBA is recommended by NIST and NCSC to strengthen password-based…

Cryptography and Security · Computer Science 2023-01-05 Stephan Wiefling , Jan Tolsdorf , Luigi Lo Iacono

We survey recent work on the specification of an access control mechanism in a collaborative environment. The work is presented in the context of the WebdamLog language, an extension of datalog to a distributed context. We discuss a…

Databases · Computer Science 2013-08-01 Serge Abiteboul , Émilien Antoine , Gerome Miklau , Julia Stoyanovich , Vera Zaychik Moffitt

The popularity of online social networks (OSNs) makes the protection of users' private information an important but scientifically challenging problem. In the literature, relationship-based access control schemes have been proposed to…

Cryptography and Security · Computer Science 2016-04-04 Jun Pang , Yang Zhang

In recent years, availability and usage of extensive systems for Electronic Healthcare Record (EHR) is increased. In medical centers such hospitals and other laboratories, more health data sets were formed during the treatment process. In…

Computers and Society · Computer Science 2020-04-06 Faizal Khan , Omar Reyad

Developing simple and expressive access controls -- interfaces to specify policies that define who should have access to resources and under what circumstances -- is a longstanding challenge in usable security. We present Sketch-based…

Human-Computer Interaction · Computer Science 2026-05-12 Kyzyl Monteiro , Sauvik Das

Over the years, access control systems have become increasingly more complex, often causing a disconnect between what is envisaged by the stakeholders in decision-making positions and the actual permissions granted as evidenced from access…

Cryptography and Security · Computer Science 2026-03-17 Gautam Kumar , Ravi Sundaram , Shamik Sural

Access control (AC) is the core of every architectural solution for information security. Indeed, no effective protection scheme can abstract from the careful design of access control policies, and infrastructures underlying modern…

Cryptography and Security · Computer Science 2017-10-11 Manuel Cheminod , Luca Durante , Lucia Seno , Fulvio Valenza , Adriano Valenzano

Role Based Access Control (RBAC) is a very popular access control model, for long time investigated and widely deployed in the security architecture of different enterprises. To implement RBAC, roles have to be firstly identified within the…

Cryptography and Security · Computer Science 2015-03-20 Carlo Blundo , Stelvio Cimato

The proliferation of autonomous AI agents within enterprise environments introduces a critical security challenge: managing access control for emergent, novel tasks for which no predefined policies exist. This paper introduces an advanced…

Cryptography and Security · Computer Science 2025-10-14 Charles Fleming , Ashish Kundu , Ramana Kompella

The prevalence of Internet of Things (IoTs) allows heterogeneous embedded smart devices to collaboratively provide intelligent services with or without human intervention. While leveraging the large-scale IoT-based applications like Smart…

Networking and Internet Architecture · Computer Science 2018-05-03 Ronghua Xu , Yu Chen , Erik Blasch , Genshe Chen

Medical data involves a large amount of personal information and is highly privacy sensitive. In the age of big data, the increasing informatization of healthcare makes it vital that medical information is stored securely and accurately.…

Cryptography and Security · Computer Science 2022-07-14 Zhijie Sun , Dezhi Han , Dun Li , Xiangsheng Wang , Chin-Chen Chang , Zhongdai Wu

Attribute-based access control (ABAC) provides a high level of flexibility that promotes security and information sharing. ABAC policy mining algorithms have potential to significantly reduce the cost of migration to ABAC, by partially…

Cryptography and Security · Computer Science 2014-08-08 Zhongyuan Xu , Scott D. Stoller