Access control in open distributed systems by Udzir, Nur Izura, Wood, Alan, Muda, Zaiton, Dehghantanha, Ali, Abdullah @ Selimun, Mohd Taufik, Abdullah, Azizol

“…In this paper, we discuss two conventional access control mechanisms-access control lists and capabilities-which can be incorporated in the Linda·model, and their suitability and implications on the flexibility of the model.…”
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Security extensible access control markup language policy integration based on role-based access control model in healthcare collaborative environments by Teo, Poh Kuang, Ibrahim, Hamidah, Udzir, Nur Izura, Sidi, Fatimah

“…Though eXtensible Access Control Markup Language (XACML) has a powerful capacity of expression, it does not support all the elements character of RBAC. …”
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Role performance trust-based access control for protecting sensitive attributes by Salji, Mohd Rafiz, Udzir, Nur Izura, Ninggal, Mohd Izuan Hafez, Mohd Sani, Nor Fazlida, Ibrahim, Hamidah

“…Preserving privacy is a challenge and requires the management of access control, which may be based on role, purpose or trust. …”
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Performance and divisional trust and purpose-based access control for privacy preservation by Salji, Mohd Rafiz, Udzir, Nur Izura, Hafez Ninggal, Mohd Izuan, Mohd Sani, Nor Fazlida, Ibrahim, Hamidah

“…To keep the privacy safe from inappropriate use, one of the most popular methods that can be used is the access control. Currently, many augmentation of access control models has been developed to improve the effectiveness in preserving the privacy. …”
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Trust, purpose, and role-based access control model for privacy protection by Salji, Mohd Rafiz, Udzir, Nur Izura, Ninggal, Mohd Izuan Hafez, Mohd Sani, Nor Fazlida, Ibrahim, Hamidah

“…Role-based access control model has been proposed to protect customer's data. …”
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Trust-based access control model with quantification method for protecting sensitive attributes by Salji, Mohd Rafiz, Udzir, Nur Izura, Hafez Ninggal, Mohd Izuan, Mohd Sani, Nor Fazlida, Ibrahim, Hamidah

“…Despite the recent advances in access control frameworks and models, there are still issues that hinder the implementation of successful access control. …”

An empirical study of the characteristics of access control model towards secure KMS in collaborative environment by Abu Bakar, Azreena, Abdullah, Rusli, Udzir, Nur Izura, Ibrahim, Hamidah

“…Consequently, this paper formulates a model of collaborative KMS access control. The proposed model can be a guidance to study further the member of ACM family particularly the role based access control (RBAC) towards secure collaborative KMS.…”
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Blockchain-based access control scheme for secure shared personal health records over decentralised storage by Hussien, Hassan Mansur, Md Yasin, Sharifah, Udzir, Nur Izura, Ninggal, Mohd Izuan Hafez

“…The access control scheme is constructed on the basis of the new lightweight cryptographic concept named smart contract-based attribute-based searchable encryption (SC-ABSE). …”

Implementing severity factor to mitigate malicious insider by Asmawi, Aziah, Affendey, Lilly Suriani, Udzir, Nur Izura, Mahmod, Ramlan

“…Many access control models and enforcement mechanisms have been proposed to prevent the unauthorized release of XML data. …”
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Policy inconsistency detection based on RBAC model in cross-organizational collaboration by Teo, Poh Kuang, Ibrahim, Hamidah, Sidi, Fatimah, Udzir, Nur Izura

“…A model to prune and collect only the required policies based on access control requirements from different organizations is designed. …”
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User-independent and self-optimizing intrusion detection framework for large database systems by Adinehnia, Reza, Udzir, Nur Izura, Affendey, Lilly Suriani, Ishak, Iskandar, Mohd Hanapi, Zurina

“…Despite various access control approaches, databases are still vulnerable to intruders who are able to bypass these protective methods and access data, or prevent insiders like authorized users who misuse their privilege. …”

A compact bit string accessibility map for secure XML query processing by Mirabi, Meghdad, Ibrahim, Hamidah, Udzir, Nur Izura, Mamat, Ali

“…One of the challenging issues related to specifying a fine-grained access control on the XML data is how to implement the accessibility map in a compact format with minimum affect on the XML query processing. …”
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A hybrid face detection system using combination of appearance-based and feature-based methods by Tabatabaie, Zahra Sadri, O. K. Rahmat, Rahmita Wirza, Udzir, Nur Izura, Kheirkhah, Esmaeil

“…Human face detection is preliminary required step of face recognition systems as well as a very important task in many applications, such as security access control systems, video surveillance, human computer interface and image database management. …”
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An effective modality conflict model for identifying applicable policies during policy evaluation by Ibrahim, Hamidah, Teo, Poh Kuang, Udzir, Nur Izura, Sidi, Fatimah

“…Policy evaluation is a process to determine whether a request submitted by a user satisfies the access control policies defined by an organization. Modality conflict is one of the main issues in policy evaluation. …”
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An effective naming heterogeneity resolution for XACML policy evaluation in a distributed environment by Teo, Poh Kuang, Ibrahim, Hamidah, Sidi, Fatimah, Udzir, Nur Izura, Alwan, Ali Amer

“…Policy evaluation is a process to determine whether a request submitted by a user satisfies the access control policies defined by an organization. Naming heterogeneity between the attribute values of a request and a policy is common due to syntactic variations and terminological variations, particularly among organizations of a distributed environment. …”

A dynamic compressed accessibility map for secure XML querying and updating by Mirabi, Meghdad, Ibrahim, Hamidah, Fathi, Leila, Udzir, Nur Izura, Mamat, Ali

“…By specifying a fine-grained access control on the XML data, an accessibility map is required to determine the accessibility of XML nodes for a specific subject (e.g. user or role) under a specific action (e.g. read or write). …”
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