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Physical Sciences and Mathematics Commons™
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- Keyword
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- Bi-partite (1)
- Conneced-Dense-Connected (1)
- Cybercrime (1)
- Cybersecurity (1)
- Deception (1)
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- Densest connected (1)
- Densest subgraph (1)
- Digital (1)
- Digital ecosystems (1)
- Evidence Based (1)
- Human experience (1)
- Human values (1)
- Max-flow (1)
- NP-Hard (1)
- Online Fraud (1)
- Ontological reversal (1)
- Ontology (1)
- Risk Management (1)
- Routine Activity Theory (1)
- Triple Networks (1)
- Website Defacement (1)
Articles 1 - 7 of 7
Full-Text Articles in Physical Sciences and Mathematics
Finding Connected-Dense-Connected Subgraphs And Variants Is Np-Hard, Dhara Shah, Sushil Prasad, Yubao Wu
Finding Connected-Dense-Connected Subgraphs And Variants Is Np-Hard, Dhara Shah, Sushil Prasad, Yubao Wu
Computer Science Technical Reports
Finding Connected-Dense-Connected (CDC) subgraphs from Triple Networks is NP-Hard. finding One-Connected-Dense (OCD) sub- graphs from Triple Networks is also NP-Hard. We present formal proofs of these theorems hereby.
Finding Densest Subgraph In A Bi-Partite Graph, Dhara Shah, Sushil Prasad, Danial Aghajarian
Finding Densest Subgraph In A Bi-Partite Graph, Dhara Shah, Sushil Prasad, Danial Aghajarian
Computer Science Technical Reports
Finding the densest subgraph in a bi-partite graph is a polynomial time problem. Also, each bi-partite graph has a densest connected subgraph. In this paper, we first prove that each bi-partite graph has a densest connected subgraph. This proof is different than that of an undirected graph, since our definition of the density is different. We then provide a max-flow min-cut algorithm for finding a densest subgraph of a bi-partite graph and prove te correctness of this binary search algorithm.
An Evidence Based Cybersecurity Approach To Risk Management: Risk Management And "Market For Lemons", David Maimon
An Evidence Based Cybersecurity Approach To Risk Management: Risk Management And "Market For Lemons", David Maimon
EBCS Presentations
No abstract provided.
Website Defacement And Routine Activities: Considering The Importance Of Hackers’ Valuations Of Potential Targets, C. Jordan Howell, George W. Burruss, David Maimon, Shradha Sahani
Website Defacement And Routine Activities: Considering The Importance Of Hackers’ Valuations Of Potential Targets, C. Jordan Howell, George W. Burruss, David Maimon, Shradha Sahani
EBCS Articles
Although a relatively simple form of hacking, website defacement can have severe consequences both for the websites that are attacked and the reputation of their owners. However, criminological research has yet to fully explore the causes and correlates of website defacement. We consider whether variables derived from routine activity theory can be applied to understanding website defacement. Specifically, using a sample of websites that were targeted by hackers in 2017 across the world, we examine the relationship between a country’s structural characteristics and the frequency of website defacement reported for the country. We find that website defacements are less likely …
Digital First: The Ontological Reversal And New Challenges For Is Research, Richard L. Baskerville, Michael D. Myers, Youngjin Yoo
Digital First: The Ontological Reversal And New Challenges For Is Research, Richard L. Baskerville, Michael D. Myers, Youngjin Yoo
EBCS Articles
The classical view of an information system is that it represents and reflects physical reality. We suggest this classical view is increasingly obsolete: digital technologies are now creating and shaping physical reality. We call this phenomenon the ontological reversal. The ontological reversal is where the digital version is created first, and the physical version second (if needed). This ontological reversal challenges us to think about the role of humans and technology in society. It also challenges us to think about our role as IS scholars in this digital world and what it means for our research agendas.
Online Deception And Situations Conducive To The Progression Of Non-Payment Fraud, David Maimon, Mateus Rennó Santos, Youngsam Park
Online Deception And Situations Conducive To The Progression Of Non-Payment Fraud, David Maimon, Mateus Rennó Santos, Youngsam Park
EBCS Articles
Adopting the criminal event perspective, we explore how online fraudsters make use of urgency cues in their interactions with potential victims throughout the progression of an online nonpayment fraud attempt. Integrating claims from the ‘Interpersonal-Deception Theory’ with situational explanations of crime, we investigate whether fraudsters’ presentations of verbal cues of urgency during the early stages of a criminal event are followed by a consistent presentation of verbal and non-verbal urgency cues. To answer this question, we posted a large number of ‘for-sale’ advertisements over a classified-ad website and interacted with online fraudsters and legitimate users who responded to our ads …
Ssl/Tls Certificates And Their Prevalence On The Dark Web (First Report), David Maimon, Yubao Wu, Michael Mcguire, Nicholas Stubler, Zijie Qui
Ssl/Tls Certificates And Their Prevalence On The Dark Web (First Report), David Maimon, Yubao Wu, Michael Mcguire, Nicholas Stubler, Zijie Qui
EBCS Reports
As organizations focus on the digital transformation of their businesses, the importance of encryption as the cornerstone of security and privacy is increasingly vital. In 2018, over 70 percent of internet traffic was encrypted. Experts believe that this figure is expected to rise to 80 percent in 2019 (Google, 2019). Secure Sockets Layer (SSL, an older standard) and Transport Layer Security (TLS, a newer standard) certificates are essential to encryption because they authorize all encrypted communication between machines. SSL/TLS certificates are instrumental in protecting privacy and improving security, providing each machine with a unique machine identity. They control the flow …