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Articles 211 - 240 of 681
Full-Text Articles in Physical Sciences and Mathematics
Understanding The Ntru Cryptosystem, Benjamin Clark
Understanding The Ntru Cryptosystem, Benjamin Clark
Williams Honors College, Honors Research Projects
In this paper, we will examine the NTRU Public Key Cryptosystem. The NTRU cryptosystem was created by Joseph Silverman, Jeffery Hoffstein, and Jill Pipher in 1996. This system uses truncated polynomial rings to encrypt and decrypt data. It was recently released into the public domain in 2013. This paper will describe how this cryptosystem works and give a basic understanding on how to encrypt and decrypt using this system.
Virtual Environments Testing As A Cloud Service: A Methodology For Protecting And Securing Virtual Infrastructures, Elhadj Benkhelifa, Anoud Bani Hani, Thomas Welsh, Siyakha Mthunzi, Chirine Ghedira Guegan
Virtual Environments Testing As A Cloud Service: A Methodology For Protecting And Securing Virtual Infrastructures, Elhadj Benkhelifa, Anoud Bani Hani, Thomas Welsh, Siyakha Mthunzi, Chirine Ghedira Guegan
All Works
© 2013 IEEE. Testing is a vital component of the system development life cycle. As information systems infrastructure move from native computing to cloud-based and virtualized platforms, it becomes necessary to evaluate their effectiveness to ensure completion of organizational goals. However, the complexity and scale of virtualized environments make this process difficult. Additionally, inherited and novel issues further complicate this process, while relatively high costs can be constraining. Enabling service-driven environments to provide this evaluation is therefore beneficial for both providers and users. No such complete service offering currently exists. This paper is therefore aimed to benefit industry and academia …
Information Systems Security Leadership: An Empirical Study Of Behavioral Influences Of Leaders On Employees’ Security Compliance, Marcus Alan Winkfield
Information Systems Security Leadership: An Empirical Study Of Behavioral Influences Of Leaders On Employees’ Security Compliance, Marcus Alan Winkfield
CCE Theses and Dissertations
This empirical study examined the behavioral influences of leaders on employees’ security compliance. Organizations can use leadership concepts in the field of Information Systems (IS) security. Despite the adoption of technical and managerial approaches, organizations still face issues motivating employee IS security compliance. This dissertation argued that organizations need strong leadership to encourage employees. Using the expectancy theory, this paper created a theoretical model to help understand the influence of task and relationship-oriented leadership behaviors on nontechnical controls IS security compliance. The conceptual underpinnings translated into perceived security effort, perceived security performance, and expected security outcomes. The theoretical model was …
A New Network Model For Cyber Threat Intelligence Sharing Using Blockchain Technology, Daire Homan, Ian Shiel, Christina Thorpe
A New Network Model For Cyber Threat Intelligence Sharing Using Blockchain Technology, Daire Homan, Ian Shiel, Christina Thorpe
Conference Papers
The aim of this research is to propose a new blockchain network model that facilitates the secure dissemination of Cyber Threat Intelligence (CTI) data. The primary motivations for this study are based around the recent changes to information security legislation in the European Union and the challenges that Computer Security and Incident Response Teams (CSIRT) face when trying to share actionable and highly sensitive data within systems where participants do not always share the same interests or motivations. We discuss the common problems within the domain of CTI sharing and we propose a new model, that leverages the security properties …
Comprehending The Safety Paradox And Privacy Concerns With Medical Device Remote Patient Monitoring, Marc Doyle
Comprehending The Safety Paradox And Privacy Concerns With Medical Device Remote Patient Monitoring, Marc Doyle
CCE Theses and Dissertations
Medical literature identifies a number of technology-driven improvements in disease management such as implantable medical devices (IMDs) that are a standard treatment for candidates with specific diseases. Among patients using implantable cardiac defibrillators (ICD), for example, problems and issues are being discovered faster compared to patients without monitoring, improving safety. What is not known is why patients report not feeling safer, creating a safety paradox, and why patients identify privacy concerns in ICD monitoring.
There is a major gap in the literature regarding the factors that contribute to perceived safety and privacy in remote patient monitoring (RPM). To address this …
A Light-Weight Solution For Blackhole Attacks In Wireless Sensor Networks, Bi̇lal Erman Bi̇lgi̇n, Selçuk Baktir
A Light-Weight Solution For Blackhole Attacks In Wireless Sensor Networks, Bi̇lal Erman Bi̇lgi̇n, Selçuk Baktir
Turkish Journal of Electrical Engineering and Computer Sciences
Wireless sensors, which are smaller and cheaper, have started being used in many different applications. Military applications, health care and industrial monitoring, environmental applications, smart grids, and vehicular ad-hoc networks are some of the best known applications of wireless sensors. In some applications, especially military, environmental, and health care applications, it is required that the communication between sensor nodes be encrypted to achieve privacy and confidentiality. In this work, some modifications have been made to the ad-hoc on-demand distance vector routing protocol, mostly preferred in wireless sensor networks, to make data communications more reliable. The proposed routing protocol is shown …
Using Case Studies To Teach Cybersecurity Courses, Yu Cai
Using Case Studies To Teach Cybersecurity Courses, Yu Cai
Journal of Cybersecurity Education, Research and Practice
This paper introduces a holistic and case-analysis teaching model by integrating case studies into cybersecurity courses. The proposed model starts by analyzing real-world cyber breaches. Students look into the details of these attacks and learn how these attacks took place from the beginning to the end. During the process of case analysis, a list of security topics reflecting different aspects of these breaches is introduced. Through guided in-class discussion and hands-on lab assignments, student learning in lecture will be reinforced. Overall, the entire cybersecurity course is driven by case studies. The proposed model is great for teaching cybersecurity. First, the …
User Attitudes About Duo Two-Factor Authentication At Byu, Jonathan Dutson
User Attitudes About Duo Two-Factor Authentication At Byu, Jonathan Dutson
Undergraduate Honors Theses
Simple password-based authentication provides insufficient protection against increasingly common incidents of online identity theft and data loss. Although two-factor authentication (2FA) provides users with increased protection against attackers, users have mixed feelings about the usability of 2FA. We surveyed the students, faculty, and staff of Brigham Young University (BYU) to measure user sentiment about DUO Security, the 2FA system adopted by BYU in 2017. We find that most users consider DUO to be annoying, and about half of those surveyed expressed a preference for authentication without using a second-factor. About half of all participants reported at least one instance of …
Usable Security And Privacy For Secure Messaging Applications, Elham Vaziripour
Usable Security And Privacy For Secure Messaging Applications, Elham Vaziripour
Theses and Dissertations
The threat of government and corporate surveillance around the world, as well as the publicity surrounding major cybersecurity attacks, have increased interest in secure and private end-to-end communications. In response to this demand, numerous secure messaging applications have been developed in recent years. These applications have been welcomed and publically used not just by political activists and journalists but by everyday users as well. Most of these popular secure messaging applications are usable because they hide many of the details of how encryption is provided. The strength of the security properties of these applications relies on the authentication ceremony, wherein …
Secure Smart Health With Privacy-Aware Aggregate Authentication And Access Control In Internet Of Things, Yinghui Zhang, Robert H. Deng, Gang Han, Dong Zheng
Secure Smart Health With Privacy-Aware Aggregate Authentication And Access Control In Internet Of Things, Yinghui Zhang, Robert H. Deng, Gang Han, Dong Zheng
Research Collection School Of Computing and Information Systems
With the rapid technological advancements in the Internet of Things (IoT), wireless communication and cloud computing, smart health is expected to enable comprehensive and qualified healthcare services. It is important to ensure security and efficiency in smart health. However, existing smart health systems still have challenging issues, such as aggregate authentication, fine-grained access control and privacy protection. In this paper, we address these issues by introducing SSH, a Secure Smart Health system with privacy-aware aggregate authentication and access control in IoT. In SSH, privacy-aware aggregate authentication is enabled by an anonymous certificateless aggregate signature scheme, in which users' identity information …
Healthcare Monitoring System Security Platform Using Software Defined Networking Paradigm, Mohamad Issam Khayat
Healthcare Monitoring System Security Platform Using Software Defined Networking Paradigm, Mohamad Issam Khayat
Information Security Theses
This thesis studies the security and privacy concerns of Healthcare Monitoring System (HMS) and proposes a state-of-the-art Security Platform for HMS using the newly emerging Software Defined Network (SDN) paradigm. In this thesis, we investigate the existing HMS architecture and the relevant solutions proposed for both security and privacy concerns in the literature today. Moreover, we develop a new HMS Security Integration Framework, in the form of a security platform for securing HMS. Finally, we perform a comparison among existing architectures and our proposed framework to highlight the added value of our proposed architecture. Our proposed integration framework eliminates the …
Vulnerability Assessment & Penetration Testing: Case Study On Web Application Security, Gazmend Krasniqi, Veton Bejtullahu
Vulnerability Assessment & Penetration Testing: Case Study On Web Application Security, Gazmend Krasniqi, Veton Bejtullahu
UBT International Conference
Complexity of information systems are increasing day by day. The security of information systems that are connected to public networks can be compromised by unauthorized, and usually anonymous, attempts to access them. By using public networks businesses and other institutions are exposed to numerous risks. This leads to more and more vulnerabilities in Information Systems. This situation calls for test methods that are devised from the attacker’s perspective to ensure that test conditions are as realistic as possible. In this paper we will describe complete stages of Vulnerability Assessment and Penetration Testing on some systems in UBT and proactive action …
Information Security Concepts And Administration (Ksu), Meng Han, Lei Li, Zhigang Li, Svetana Peltsverger, Ming Yang, Guangzhi Zheng
Information Security Concepts And Administration (Ksu), Meng Han, Lei Li, Zhigang Li, Svetana Peltsverger, Ming Yang, Guangzhi Zheng
Computer Science and Information Technology Grants Collections
This Grants Collection for Information Security Concepts and Administration was created under a Round Ten ALG Textbook Transformation Grant.
Affordable Learning Georgia Grants Collections are intended to provide faculty with the frameworks to quickly implement or revise the same materials as a Textbook Transformation Grants team, along with the aims and lessons learned from project teams during the implementation process.
Documents are in .pdf format, with a separate .docx (Word) version available for download. Each collection contains the following materials:
- Linked Syllabus
- Initial Proposal
- Final Report
Malware Analysis On Android Using Supervised Machine Learning Techniques, Md Shohel Rana, Andrew H. Sung
Malware Analysis On Android Using Supervised Machine Learning Techniques, Md Shohel Rana, Andrew H. Sung
Faculty Publications
In recent years, a widespread research is conducted with the growth of malware resulted in the domain of malware analysis and detection in Android devices. Android, a mobile-based operating system currently having more than one billion active users with a high market impact that have inspired the expansion of malware by cyber criminals. Android implements a different architecture and security controls to solve the problems caused by malware, such as unique user ID (UID) for each application, system permissions, and its distribution platform Google Play. There are numerous ways to violate that fortification, and how the complexity of creating a …
Database Security And Auditing (Ksu), Lei Li, Rebecca H. Rutherfoord, Svetana Peltsverger, Richard Halstead-Nussloch, Jack Zheng, Zhigang Li
Database Security And Auditing (Ksu), Lei Li, Rebecca H. Rutherfoord, Svetana Peltsverger, Richard Halstead-Nussloch, Jack Zheng, Zhigang Li
Computer Science and Information Technology Grants Collections
This Grants Collection for Database Security and Auditing was created under a Round Eleven ALG Textbook Transformation Grant.
Affordable Learning Georgia Grants Collections are intended to provide faculty with the frameworks to quickly implement or revise the same materials as a Textbook Transformation Grants team, along with the aims and lessons learned from project teams during the implementation process.
Documents are in .pdf format, with a separate .docx (Word) version available for download. Each collection contains the following materials:
- Linked Syllabus
- Initial Proposal
- Final Report
Saw: Wristband-Based Authentication For Desktop Computers, Shrirang Mare, Reza Rawassizadeh, Ronald Peterson, David Kotz
Saw: Wristband-Based Authentication For Desktop Computers, Shrirang Mare, Reza Rawassizadeh, Ronald Peterson, David Kotz
Dartmouth Scholarship
Token-based proximity authentication methods that authenticate users based on physical proximity are effortless, but lack explicit user intentionality, which may result in accidental logins. For example, a user may get logged in when she is near a computer or just passing by, even if she does not intend to use that computer. Lack of user intentionality in proximity-based methods makes them less suitable for multi-user shared computer environments, despite their desired usability benefits over passwords. \par We present an authentication method for desktops called Seamless Authentication using Wristbands (SAW), which addresses the lack of intentionality limitation of proximity-based methods. SAW …
Forensic Analysis Of Immersive Virtual Reality Social Applications: A Primary Account, Ananya Yarramreddy, Peter Gromkowski, Ibrahim Baggili
Forensic Analysis Of Immersive Virtual Reality Social Applications: A Primary Account, Ananya Yarramreddy, Peter Gromkowski, Ibrahim Baggili
Electrical & Computer Engineering and Computer Science Faculty Publications
Our work presents the primary account for exploring the forensics of immersive Virtual Reality (VR) systems and their social applications. The Social VR applications studied in this work include Bigscreen, Altspace VR, Rec Room and Facebook Spaces. We explored the two most widely adopted consumer VR systems: the HTC Vive and the Oculus Rift. Our tests examined the efficacy of reconstructing evidence from network traffic as well as the systems themselves. The results showed that a significant amount of forensically relevant data such as user names, user profile pictures, events, and system details may be recovered. We anticipate that this …
Improving Performance And Security In Anonymity Systems, Mohsen Imani
Improving Performance And Security In Anonymity Systems, Mohsen Imani
Computer Science and Engineering Dissertations
Tor is an anonymity network that provides online privacy for the Internet users. Tor hides the user's traffic among the others' traffic. The more users Tor attracts, the stronger anonymity it provides. Unfortunately, users of the Tor anonymity system suffer from less-than-ideal performance, in part because circuit building and selection processes are not tuned for speed. Moreover, there are some attacks like guard fingerprinting and website fingerprinting attacks that try to profile or de-anonymize the Tor users. In this dissertation, we propose methods to address both security and performance issues in Tor. We first examine the process of selecting among …
Voice Hacking: Using Smartphones To Spread Ransomware To Traditional Pcs, Bryson R. Payne, Leonardo I. Mazuran, Tamirat Abegaz
Voice Hacking: Using Smartphones To Spread Ransomware To Traditional Pcs, Bryson R. Payne, Leonardo I. Mazuran, Tamirat Abegaz
Journal of Cybersecurity Education, Research and Practice
This paper presents a voice hacking proof of concept that demonstrates the ability to deploy a sequence of hacks, triggered by speaking a smartphone command, to launch ransomware and other destructive attacks against vulnerable Windows computers on any wireless network the phone connects to after the voice command is issued. Specifically, a spoken, broadcast, or pre-recorded voice command directs vulnerable Android smartphones or tablets to a malicious download page that compromises the Android device and uses it as a proxy to run software designed to scan the Android device’s local area network for Windows computers vulnerable to the EternalBlue exploit, …
Compact Hardware Implementation Of A Sha-3 Core For Wireless Body Sensor Networks, Yi Yang, Debiao He, Neeraj Kumar, Sherali Zeadally
Compact Hardware Implementation Of A Sha-3 Core For Wireless Body Sensor Networks, Yi Yang, Debiao He, Neeraj Kumar, Sherali Zeadally
Information Science Faculty Publications
One of the most important Internet of Things applications is the wireless body sensor network (WBSN), which can provide universal health care, disease prevention, and control. Due to large deployments of small scale smart sensors in WBSNs, security, and privacy guarantees (e.g., security and safety-critical data, sensitive private information) are becoming a challenging issue because these sensor nodes communicate using an open channel, i.e., Internet. We implement data integrity (to resist against malicious tampering) using the secure hash algorithm 3 (SHA-3) when smart sensors in WBSNs communicate with each other using the Internet. Due to the limited resources (i.e., storage, …
Security Risk Tolerance In Mobile Payment: A Trade-Off Framework, Yong Chen
Security Risk Tolerance In Mobile Payment: A Trade-Off Framework, Yong Chen
Information Technology & Decision Sciences Theses & Dissertations
Security is identified as a major barrier for consumers in adopting mobile payment. Although existing literature has incorporated security into the Technology Acceptance Model (TAM), the Unified Theory of Acceptance, and the Use of Technology (UTAUT) and it has investigated the way in which security affects consumers’ acceptance of mobile payment, security is a factor only in diverse research models. Studies of mobile payment that focus on security are not available. Additionally, previous studies of mobile payment are based on Direct Carrier Billing- (DCB)-based mobile payment or Near Field Communication- (NFC)-based mobile payment. The results regarding security might not be …
Application Memory Isolation On Ultra-Low-Power Mcus, Taylor Hardin, Ryan Scott, Patrick Proctor, Josiah Hester, Jacob Sorber, David Kotz
Application Memory Isolation On Ultra-Low-Power Mcus, Taylor Hardin, Ryan Scott, Patrick Proctor, Josiah Hester, Jacob Sorber, David Kotz
Dartmouth Scholarship
The proliferation of applications that handle sensitive user data on wearable platforms generates a critical need for embedded systems that offer strong security without sacrificing flexibility and long battery life. To secure sensitive information, such as health data, ultra-low-power wearables must isolate applications from each other and protect the underlying system from errant or malicious application code. These platforms typically use microcontrollers that lack sophisticated Memory Management Units (MMU). Some include a Memory Protection Unit (MPU), but current MPUs are inadequate to the task, leading platform developers to software-based memory-protection solutions. In this paper, we present our memory isolation technique, …
A Simplified Secure Programming Platform For Internet Of Things Devices, Halim Burak Yesilyurt
A Simplified Secure Programming Platform For Internet Of Things Devices, Halim Burak Yesilyurt
FIU Electronic Theses and Dissertations
The emerging Internet of Things (IoT) revolution has introduced many useful applications that are utilized in our daily lives. Users can program these devices in order to develop their own IoT applications; however, the platforms and languages that are used during development are abounding, complicated, and time-consuming. The software solution provided in this thesis, PROVIZ+, is a secure sensor application development software suite that helps users create sophisticated and secure IoT applications with little software and hardware experience. Moreover, a simple and efficient domain-specific programming language, namely Panther language, was designed for IoT application development to unify existing programming languages. …
Patient Preferences For Authentication And Security: A Comparison Study Of Younger And Older Patients, Ann Fruhling, Devika Ramachandran, Tamara Bernard, Ryan Schuetzler, John R. Windle
Patient Preferences For Authentication And Security: A Comparison Study Of Younger And Older Patients, Ann Fruhling, Devika Ramachandran, Tamara Bernard, Ryan Schuetzler, John R. Windle
Interdisciplinary Informatics Faculty Publications
We examine authentication and security preferences of younger versus older patients in the healthcare domain. Previous research has investigated users' perception of the acceptability of various forms of authentication in nonhealthcare domains, but not patients’ preferences. First, we developed an interactive prototype to test three authentication methods: passwords, pattern, and voice. Our results indicate that younger patients prefer passwords by a significant margin. Older patients indicated more mixed preferences. In addition, we evaluated the level of security patients desired for protection of health information compared to financial information. We found no difference based on age: both groups felt financial security …
Advanced Malware Detection For Android Platform, Ke Xu
Advanced Malware Detection For Android Platform, Ke Xu
Dissertations and Theses Collection (Open Access)
In the first quarter of 2018, 75.66% of smartphones sales were devices running An- droid. Due to its popularity, cyber-criminals have increasingly targeted this ecosys- tem. Malware running on Android severely violates end users security and privacy, allowing many attacks such as defeating two factor authentication of mobile bank- ing applications, capturing real-time voice calls and leaking sensitive information. In this dissertation, I describe the pieces of work that I have done to effectively de- tect malware on Android platform, i.e., ICC-based malware detection system (IC- CDetector), multi-layer malware detection system (DeepRefiner), and self-evolving and scalable malware detection system (DroidEvolver) …
Workshop On Emerging Technology And Data Analytics For Behavioral Health, David Kotz, Sarah E. Lord, A. James O'Malley, Luke Stark, Lisa Marsch
Workshop On Emerging Technology And Data Analytics For Behavioral Health, David Kotz, Sarah E. Lord, A. James O'Malley, Luke Stark, Lisa Marsch
Dartmouth Scholarship
Wearable and portable digital devices can support self-monitoring for patients with chronic medical conditions, individuals seeking to reduce stress, and people seeking to modify health-related behaviors such as substance use or overeating. The resulting data may be used directly by a consumer, or shared with a clinician for treatment, a caregiver for assistance, or a health coach for support. The data can also be used by researchers to develop and evaluate just-in-time interventions that leverage mobile technology to help individuals manage their symptoms and behavior in real time and as needed. Such wearable systems have huge potential for promoting delivery …
An Investigation Into Trust And Security In The Mandatory And Imposed Use Of Financial Icts Upon Older People, David Michael Cook
An Investigation Into Trust And Security In The Mandatory And Imposed Use Of Financial Icts Upon Older People, David Michael Cook
Dr. David M Cook
Care needs to be taken to reduce the number of people who are fearful and mistrustful of using ICT where that usage is forced upon them without choice or alternative. The growing incidence of mandatory and imposed online systems can result in confusion, misuse, fear, and rejection by people with only rudimentary ICT skills. A cohort where a high percentage of such people occur is older people, defined in this study as people over the age of 60 Examples of compulsory ICT interactions include some banks limiting bank statement access through online rather than paper-based options. Other examples include the …
Hierarchical Representation Learning With Connectionist Models, De Wang
Hierarchical Representation Learning With Connectionist Models, De Wang
Computer Science and Engineering Dissertations
To unleash the power of big data, efficient algorithms which are scalable to millions of data are desired. Deep learning is one area that benefits from big data enormously. Deep learning uses neural networks to mimic human brains, this approach is termed connectionist in AI community. In this dissertation, we propose several novel learning strategies to improve the performance of connectionist models. Evaluation of a large neural network during inference phase requires a lot of GPU memory and computation, which will degrade user experience due to response latency. Model distillation is one way to distill the knowledge contained in one …
Design And Evaluation Of A Privacy Architecture For Crowdsensing Applications, Alfredo J. Perez, Sherali Zeadally
Design And Evaluation Of A Privacy Architecture For Crowdsensing Applications, Alfredo J. Perez, Sherali Zeadally
Computer Science Faculty Publications
By using consumer devices such as cellphones, wearables and Internet of Things devices owned by citizens, crowdsensing systems are providing solutions to the community in areas such as transportation, security, entertainment and the environment through the collection of various types of sensor data. Privacy is a major issue in these systems because the data collected can potentially reveal aspects considered private by the contributors of data. We propose the Privacy-Enabled ARchitecture (PEAR), a layered architecture aimed at protecting privacy in privacy-aware crowdsensing systems. We identify and describe the layers of the architecture. We propose and evaluate the design of MetroTrack, …
An Analysis Of International Agreements Over Cybersecurity, Lucas Ashbaugh
An Analysis Of International Agreements Over Cybersecurity, Lucas Ashbaugh
Electronic Theses and Dissertations
Research into the international agreements that increase cooperation over cybersecurity challenges is severely lacking. This is a necessary next step for bridging diplomatic challenges over cybersecurity. This work aspires to be push the bounds of research into these agreements and offer a tool that future researchers can rely on. For this research I created, and made publicly available, the International Cybersecurity Cooperation Dataset (ICCD), which contains over 350 international cybersecurity agreements and pertinent metadata. Each agreement is marked per which subtopics within cybersecurity related agreements it covers. These typologies are:
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Discussion and Dialogue
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Research
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Confidence Building Measures
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Incident Response
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Crime …