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Access control models have been developed to control authorized access to sensitive resources. This control of access is important as there is now a need for collaborative resource sharing between multiple organizations over open…

Cryptography and Security · Computer Science 2021-08-20 M Ridwanur Rahman , Ahmad Salehi Shahraki , Carsten Rudolph

Proliferation of systems that generate enormous amounts of data and operate in real time has led researchers to rethink the current organization of the cloud. Many proposed solutions consist of a number of small data centers in the vicinity…

Cryptography and Security · Computer Science 2024-10-29 Tamara Ranković , Miloš Simić , Milan Stojkov , Goran Sladić

In large databases, creating user interface for browsing or performing insertion, deletion or modification of data is very costly in terms of programming. In addition, each modification of an access control policy causes many potential and…

Cryptography and Security · Computer Science 2015-06-01 Kambiz Ghazinour , Mehdi Ghayoumi

The problems which are important for the effective functioning of an access control policy in a large information system (LIS) are selected. The general concept of a local optimization of a role-based access control (RBAC) model is…

Cryptography and Security · Computer Science 2018-12-27 N. F. Bogachenko

Role-Based Access Control (RBAC) struggles to adapt to dynamic enterprise environments with documents that contain information that cannot be disclosed to specific user groups. As these documents are used by LLM-driven systems (e.g., in…

Cryptography and Security · Computer Science 2025-12-24 Michele Lorenzo , Idilio Drago , Dario Salvadori , Fabio Romolo Vayr

In recent years, Online Social Networks (OSNs) have become immensely popular as social interaction services among worldwide Internet users. OSNs facilitate Third-party applications (TPAs) which provide many additional functionalities to…

Social and Information Networks · Computer Science 2019-05-17 Nemi Chandra Rathore , Somanath Tripathy

As multi-robot systems continue to advance and become integral to various applications, managing conflicts and ensuring secure access control are critical challenges that need to be addressed. Access control is essential in multi-robot…

Robotics · Computer Science 2023-09-01 Salma Salimi , Farhad Keramat , Tomi Westerlund , Jorge Peña Queralta

Role-Based Access Control (RBAC) is a popular model which maps roles to access permissions for resources and then roles to the users to provide access control. Role-Based Encryption (RBE) is a cryptographic form of RBAC model that…

Cryptography and Security · Computer Science 2025-04-17 Nazatul Haque Sultan , Vijay Varadharajan , Lan Zhou , Ferdous Ahmed Barbhuiya

Attribute-Based Access Control (ABAC) provides expressiveness and flexibility, making it a compelling model for enforcing fine-grained access control policies. To facilitate the transition to ABAC, extensive research has been conducted to…

Cryptography and Security · Computer Science 2025-05-14 Thang Bui , Anthony Matricia , Emily Contreras , Ryan Mauvais , Luis Medina , Israel Serrano

One of the most widespread framework for the management of access-control policies is Administrative Role Based Access Control (ARBAC). Several automated analysis techniques have been proposed to help maintaining desirable security…

Cryptography and Security · Computer Science 2010-12-30 A. Armando , S. Ranise

Role mining tackles the problem of finding a role-based access control (RBAC) configuration, given an access-control matrix assigning users to access permissions as input. Most role mining approaches work by constructing a large set of…

Cryptography and Security · Computer Science 2013-01-08 Mario Frank , Joachim M. Buhmann , David Basin

Online services have difficulties to replace passwords with more secure user authentication mechanisms, such as Two-Factor Authentication (2FA). This is partly due to the fact that users tend to reject such mechanisms in use cases outside…

Cryptography and Security · Computer Science 2023-03-23 Vincent Unsel , Stephan Wiefling , Nils Gruschka , Luigi Lo Iacono

Role-based access control (RBAC) and hierarchical structures are foundational to how information flows and decisions are made within virtually all organizations. As the potential of Large Language Models (LLMs) to serve as unified knowledge…

Artificial Intelligence · Computer Science 2025-06-18 Debdeep Sanyal , Umakanta Maharana , Yash Sinha , Hong Ming Tan , Shirish Karande , Mohan Kankanhalli , Murari Mandal

Role-based access control (RBAC) policies represent the rights of subjects in terms of roles to access resources. This research proposes a scalable, flexible and auditable RBAC system using the EOS blockchain platform to meet the security…

Cryptography and Security · Computer Science 2020-07-07 Mohsin Ur Rahman

Attribute-based access control (ABAC) models are widely used to provide fine-grained and adaptable authorization based on the attributes of users, resources, and other relevant entities. Hierarchial group and attribute based access control…

Cryptography and Security · Computer Science 2021-01-12 Maanak Gupta , Ravi Sandhu

As networks move toward the next-generation 6G, Intent-based Management (IbM) systems are increasingly adopted to simplify and automate network management by translating high-level intents into low-level configurations. Within these…

Cryptography and Security · Computer Science 2025-10-23 Loay Abdelrazek , Leyli Karaçay , Marin Orlic

The era of big data has promoted the vigorous development of many industries, boosting the full potential of holistic data-driven analysis. Hadoop has become the primary choice for mainstream platforms used by stakeholders to process big…

Cryptography and Security · Computer Science 2020-11-17 Min Yang

Recently, the Internet of Things (IoT) environment has become increasingly fertile for malicious users to break the security and privacy of IoT users. Access control is a paramount necessity to forestall illicit access. Traditional access…

Cryptography and Security · Computer Science 2025-03-25 Ebtihal Abdulrahman , Suhair Alshehri , Ali Alzubaidy , Asma Cherif

Traditional authorization policies are user-centric, in the sense that authorization is defined, ultimately, in terms of user identities. We believe that this user-centric approach is inappropriate for many applications, and that what…

Cryptography and Security · Computer Science 2014-06-20 Jason Crampton , James Sellwood

Administrative role-based access control (ARBAC) is the first comprehensive administrative model proposed for role-based access control (RBAC). ARBAC has several features for designing highly expressive policies, but current work has not…

Cryptography and Security · Computer Science 2011-10-14 Karthick Jayaraman , Vijay Ganesh , Mahesh Tripunitara , Martin C Rinard , Steve J. Chapin