Access control is one of the building blocks of network security and is often managed by
network administrators through the definition of sets of high-level policies meant to regulate …

Access control systems are among the most critical of computer security components. Faulty
policies, misconfigurations, or flaws in software implementations can result in serious …

Transparency and immutability properties of blockchains enhance traceability and trust in
supply chains. However, supply chain participants resist storing most data on blockchains …

Access control has been used in many systems such as military systems and business
information systems. Access control protects sensitive information based on access control …

In this study, an access control model for collaborative healthcare systems is proposed.
Collaboration requirements, patient data confidentiality and the need for flexible access for …

Access control policy verification ensures that there are no faults within the policy that leak or
block access privileges. As a software test, access control policy verification relies on …

INTRODUCTION: In medical cyber-physical systems (mCPS), availability must be prioritized
over other security properties, making it challenging to craft least-privilege authorization …

Authoring access control policies is challenging and prone to misconfigurations. Access
control policies must be conflict-free. Hence, administrators should identify discrepancies …

Policy specification languages such as XACML often provide mechanisms to resolve
dynamic conflicts that occur when trying to determine if a request should be permitted or …

One of the most important and integral components of modern computer security are access
control systems. The objective of an access control system (ACS) is often described in terms …