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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

Relationship-based access control (ReBAC) provides a high level of expressiveness and flexibility that promotes security and information sharing. We formulate ReBAC as an object-oriented extension of attribute-based access control (ABAC) in…

Cryptography and Security · Computer Science 2018-08-23 Thang Bui , Scott D. Stoller , Jiajie Li

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 2018-02-14 Zhongyuan Xu , Scott D. Stoller

Attribute-Based Access Control (ABAC) enables highly expressive and flexible access decisions by considering a wide range of contextual attributes. ABAC policies use logical expressions that combine these attributes, allowing for precise…

Cryptography and Security · Computer Science 2025-05-06 Thang Bui , Elliot Shabram , Anthony Matricia

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

Relationship-based access control (ReBAC) is a flexible and expressive framework that allows policies to be expressed in terms of chains of relationship between entities as well as attributes of entities. ReBAC policy mining algorithms have…

Cryptography and Security · Computer Science 2019-08-12 Thang Bui , Scott D. Stoller , Hieu Le

Relationship-based access control (ReBAC) provides a high level of expressiveness and flexibility that promotes security and information sharing, by allowing policies to be expressed in terms of chains of relationships between entities.…

Cryptography and Security · Computer Science 2020-05-14 Thang Bui , Scott D. Stoller

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

Attribute-based Access Control (ABAC) extends traditional Access Control by considering an access request as a set of pairs attribute name-value, making it particularly useful in the context of open and distributed systems, where security…

Cryptography and Security · Computer Science 2013-06-21 Andreas Griesmayer , Charles Morisset

A common trait of current access control approaches is the challenging need to engineer abstract and intuitive access control models. This entails designing access control information in the form of roles (RBAC), attributes (ABAC), or…

Cryptography and Security · Computer Science 2022-03-30 Mohammad Nur Nobi , Ram Krishnan , Yufei Huang , Mehrnoosh Shakarami , Ravi Sandhu

Attribute-based access control (ABAC) promises a powerful way of formalizing access policies in support of a wide range of access management scenarios. Efficient implementation of ABAC in its general form is still a challenge, especially…

Cryptography and Security · Computer Science 2019-09-24 Hadi Ahmadi , Derek Small

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

This paper presents an empirical investigation into the capabilities of Large Language Models (LLMs) to perform automated Attribute-based Access Control (ABAC) policy mining. While ABAC provides fine-grained, context-aware access…

Cryptography and Security · Computer Science 2025-11-25 More Aayush Babasaheb , Shamik Sural

With rapid advances in computing systems, there is an increasing demand for more effective and efficient access control (AC) approaches. Recently, Attribute Based Access Control (ABAC) approaches have been shown to be promising in…

Machine Learning · Computer Science 2021-05-19 Leila Karimi , Mai Abdelhakim , James Joshi

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

In recent years, Attribute-Based Access Control (ABAC) has become quite popular and effective for enforcing access control in dynamic and collaborative environments. Implementation of ABAC requires the creation of a set of attribute-based…

Cryptography and Security · Computer Science 2021-11-16 Varun Gumma , Barsha Mitra , Soumyadeep Dey , Pratik Shashikantbhai Patel , Sourabh Suman , Saptarshi Das

Temporal role-based access control (TRBAC) extends role-based access control to limit the times at which roles are enabled. This paper presents a new algorithm for mining high-quality TRBAC policies from timed ACLs (i.e., ACLs with time…

Cryptography and Security · Computer Science 2017-10-17 Scott D. Stoller , Thang Bui

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

Blockchain-based Attribute-Based Access Control (BC-ABAC) offers a decentralized paradigm for secure data governance but faces two inherent challenges: the transparency of blockchain ledgers threatens user privacy by enabling…

Cryptography and Security · Computer Science 2026-05-26 Jie Zhang , Xiaohong Li , Mengke Zhang , Ruitao Feng , Shanshan Xu , Zhe Hou , Guangdong Bai

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
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