Jim Harmening, Randall DeVitto · 2020
Cloud Security Access control can be a daunting task. Having hundreds of users accessing systems from across the world and with many different devices can require a great deal of thought and planning. One of the top ways to keep the operating system secured is to limit physical access to the server to a small number of people. Distributed cloud servers enable remote access to data anywhere in the world through an internet connection. Human negligence of security is arguably the largest contributor to cloud and network invasion. According to the Online Trust Alliance, a full 90% of data breaches could have been prevented if businesses had better internal controls. Most often, a personal computer, tablet, or cell phone is used by the person to access the cloud system. Most commercial cloud services and applications want many users to join their systems.
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University, Clemson · TigerPrints (Clemson University) · 2011
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2012
A horizontal format that is used in television. This is the way that the television lens "sees " an object in the spectrum. Aspect ratio for analog television is 4 X 3; for digital television 16 X 9. A/V Audiovisual presentation devices such as overhead projectors and slide projectors. A/V refers to any audio/visual device such as overhead projectors, slide projectors, projection devices, film projectors, tape recorders or televisions Academic Freedom Liberty to teach, pursue, and discuss knowledge without restriction or interference. Academic Misconduct Any type of cheating that occurs in relation to a formal academic exercise including plagiarism, self plagiarism, fabrication, deception, cheating, and sabotage. Acceptable Use Policy A policy that a user must agree to follow in order to be provided with access to a network or to the Internet. It is common practice for many educational facilities to require that employees or students sign an acceptable use policy before being granted a network ID.
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Ulf Mattsson · 2022
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2007
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FERRARI, ELENA · IrInSubria (University of Insubria) · 2009
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Beznosov, Konstantin · Figshare · 2005
Learning objectives: Comprehend the principles behind access control mechanisms used in today\\\\\\\'s: * operating systems, * middleware, * virtual machines. Overview: In this module, the principles behind access control mechanisms and policies employed in todays operating systems, middleware, and virtual machines are studied. Two key principles are at the basis of all protection mechanisms: * the Trusted Computing Base (TCB) * the Reference Monitor. Generic representations of access control policies follow: * Lampson Access Matrix, and its optimized forms, * Access Control Lists (ACLs) * Capabilities. The focus shifts to the main types of access control policies: * owner-based Discretionary Access Control (DAC), * lattice-based Mandatory Access Control (MAC), * Chinese Wall model, * Clark-Wilson model, and * role-based access control (RBAC).
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Wayne Patterson, Cynthia E. Winston‐Proctor · 2020
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Shashi Shekhar, Hui Xiong, Xun Zhou · Encyclopedia of GIS · 2017
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University, Clemson · TigerPrints (Clemson University) · 2012
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Technische Universität Darmstadt, Markus Miettinen, Stephan Heuser et al. · 2013
Abstract—In this paper, we present the design and implementation of ConXsense, a framework utilizing context sensing for easy-to-use and adaptive context-aware access control for mobile devices. Previous work often require either users to laboriously specify detailed policies or they rely on pre-specified, non-personalized and error-prone policies for generic context classes. Recent approaches attempt to address these deficiencies by learning from context data. Our approach improves on this by using context data to automatically estimate the sensitivity and safety of the user’s context and using the estimates for dynamically enforcing access control rules in a highly personalized, nonintrusive and usable manner. Our initial implementation of the framework addresses two smartphone-related problem scenarios for context-aware access control: 1) how to prevent unauthorized apps (like sensory malware) from gathering information about the context of a mobile device (contextual privacy) and 2) how to protect the data and applications on the device from physical threats in the context (like thieves or device misuse by others). We start with a sociological user study, and use its results to inform the design and implementation of ConXsense. We carry out a data collection and analysis study based on which we evaluate the effectiveness and accuracy of ConXsense. Moreover, we integrate ConXsense with a fine-grained access control architecture and show how it can effectively protect against sensory malware as well as device theft and misuse.
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Ulrich Hofmann · 2024
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Juan Tapiador · Undergraduate topics in computer science · 2025
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Elena Ferrari · Encyclopedia of Database Systems · 2009
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Information Security · 2016
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SpringerReference · 2011
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University, Clemson · TigerPrints (Clemson University) · 2012
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Jiewen Yao, Vincent Zimmer · Apress eBooks · 2020
Access control is an important security mechanism to control how the subject accesses the object. The subject here usually means an end user, but the subject could also be a computer or a running process. The object means the computer systems or services. The object could be the hardware, such as a network or a storage device. The object could also be the software, such as an operating system or a database. Finally, the object could be data, such as a file, a registry entry, or memory content. The typical access means to read, write, or execute. The access taxonomy also includes other actions, such as modify, create, delete, append, extend, and so on. Access control can protect the system and resources from unauthorized usage. That is also true in the firmware area.
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FERRARI, ELENA · IrInSubria (University of Insubria) · 2009
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Haining Zhang, Yan Wang · 2022
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