Detection theory

A polygraph, or a lie detector, is a device used to detect duplicity by replicating a subjects inner reactions on a scroll of paper. A subjects reactions to a particular yes or no question would then be recorded on to one of the multiple graphs the polygraph produced. Many people feel as if a polygraph is the key to figuring out whether a person is either innocent or guilty when investigating crimes such as murders but, what they may not know is that a polygraph cannot fully be trusted. In the…

reasonable tool for lie-detection in a courtroom (Kozel et al., 2004). Other authors agree with this generalization, however, there is highly contradicting evidence towards the fact that just activation alone of these areas does not mean you are lying. Further, does a lack of activation of these areas mean you are telling the…

Polygraph Testing is also known as the lie detector test. Some people believe that it can actually detect lies and others don’t. Polygraph test measures your heart rate, blood pressure, and breathing. The polygraph examiners assume that when a sudden increase in one of those sections that you are lying. If you stay calm then they assume you're telling the truth. Many things can change a sudden increase such as emotions or medical conditions. I feel that it is unethical to assume that someone…

As a security analyst in the Information technology environment at the Aim Higher College, I have seen many attacks from the hackers that attempt to steal the sensitive data of the college and expose it to the whole world or alter it in some way. I have seen the many threats that have existed on the college’s data and systems at one point. Furthermore, I discovered many vulnerabilities in college’s systems, I captured them before the intruders can get their hands on them and make an effort to…

My scenario takes place at a banking facility in a local town. I call it the Western bank of West Virginia. Protecting information uses the same principals as protecting your personal belongings. Would one leave their house unlocked when they left for a week’s vacation? You keep your personal belongings out of others reach by locking them up or hiding them in a safe place. Computer security is important to an Information system to ensure the Confidentiality, Integrity, and availability is…

and the Earth. One purpose of this article is to inform the audience of a possible archeological change to the time humans arrived in the Americas. Additionally, another purpose is to reexamine previously discovered evidence to prove or disprove the theory that humans arrived in the Americas over one hundred thousand years earlier than experts previously understood. The article was written by compiling recently discovered evidence, expert opinions, and experimental results creating an article…

Based on the information you researched, evaluate the level of responsibility of the company in terms of the effectiveness of the response to the security breach. Provide support for your rationale. The accounting field has over past few decades witnessed a number of changes mostly due to increased advancement in technology level. There has been an improvement from paper-based journal and ledgers to a new level of accounting system that is completely automated (The WritePass Journal, 2012). The…

avoiding such attacks such as Intrusion Detection System (IDS) which is the most popular method of defense [29]. A defense federation is used in [29] for guarding against such attacks. Under this technique each cloud is loaded with separate IDS. The different intrusion detection systems work on the basis of information that is exchange between these systems. In case a specific cloud is under attack, the cooperative IDS alert all other components in the system. Trustworthiness of a cloud is…

Both firewalls and intrusion detection systems are used to monitor network traffic and implement network security policies. Research these technologies and determine how they are similar and how they differ. Are both needed? Explain your answer in a short paper. Firewall From a definition standpoint, a firewall is a hardware or software used in a networked environment to block unauthorized access by individuals while permitting authorized communications to and from the user. The firewall is…

issues advocating against the abstract question of reality. In contrast, the aim of modern science has been, by employing the scientific method, to establish reality beyond any doubt. As a result, the public commonly accepts scientific findings and theories as undisputable truths. However, the certainty of modern science is misleading and continues to leave the question of reality open for…