Browsing Mathematics (Faculty of) by Subject "access control"
Now showing items 1-4 of 4
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Adaptive User Authentication on Mobile Devices
(University of Waterloo, 2022-07-19)Modern mobile devices allow users to access various applications and services anywhere. However, high mobility also exposes mobile devices to device loss, unauthorized access, and many other risks. Existing studies have ... -
A Dynamic Risk-Based Access Control Approach: Model and Implementation
(University of Waterloo, 2017-05-18)Access control (AC) refers to mechanisms and policies that restrict access to resources, thus regulating access to physical or virtual resources of an information system. AC approaches are used to represent these mechanisms ... -
On Fine-Grained Access Control for XML
(University of Waterloo, 2003)Fine-grained access control for XML is about controlling access to XML documents at the granularity of individual elements or attributes. This thesis addresses two problems related to XML access controls. The first is ... -
Query Evaluation in the Presence of Fine-grained Access Control
(University of Waterloo, 2008-05-20)Access controls are mechanisms to enhance security by protecting data from unauthorized accesses. In contrast to traditional access controls that grant access rights at the granularity of the whole tables or views, ...