An Introduction To Intrusion Detection Systems :: Computer Network Security

I decided to write my paper on Intrusion Detection Systems (IDS) and Intrusion Prevention Systems (IPS) because professor mentioned these devices several times in class and I am interested in network security therefore it was a good opportunity for me to learn more about these security systems. An intrusion detection system (IDS) generally detects unwanted manipulations to computer systems, mainly through the Internet. The manipulations may take the form of attacks by crackers. An intrusion detection system is used to detect many types of malicious network traffic and computer usage that can't be detected by a conventional firewall. This includes network attacks against vulnerable services, data driver attacks on applications, host based attacks such as privilege escalation, unwanted logins and access to sensitive files, and malware (viruses, Trojan horses, and worms). Intrusion detection is the process of monitoring the events occurring in a computer system or network and analyzing them for signs of possible incidents, which are violations or imminent threats of violation of computer security policies, acceptable use policies, or standard security practices. Intrusion prevention is the process of performing intrusion detection and attempting to stop detected possible incidents. Intrusion detection and prevention systems (IDPS) are primarily focused on identifying possible incidents, logging information about them, attempting to stop them, and reporting them to security administrators. In addition, organizations use IDPSs for other purposes, such as identifying problems with security policies, documenting existing threats, and deterring individuals from violating security policies. IDPSs have become a necessary addition to the security infrastructure of nearly every organization. An IDS is composed of several components: Sensors which generat e security events, a Console to monitor events and alerts and control the sensors, and a central Engine that records events logged by the sensors in a database and uses a system of rules to generate alerts from security events received. There are several ways to categorize an IDS depending on the type and location of the sensors and the methodology used by the engine to generate alerts. In many simple IDS implementations all three components are combined in a single device or appliance. In a network-based intrusion-detection system (NIDS), the sensors are located at choke points in the network to be monitored, often in the demilitarized zone (DMZ) or at network borders. The sensor captures all network traffic and analyzes the content of individual packets for malicious traffic.

An Introduction To Intrusion Detection Systems :: Computer Network Security

I decided to write my paper on Intrusion Detection Systems (IDS) and Intrusion Prevention Systems (IPS) because professor mentioned these devices several times in class and I am interested in network security therefore it was a good opportunity for me to learn more about these security systems. An intrusion detection system (IDS) generally detects unwanted manipulations to computer systems, mainly through the Internet. The manipulations may take the form of attacks by crackers. An intrusion detection system is used to detect many types of malicious network traffic and computer usage that can't be detected by a conventional firewall. This includes network attacks against vulnerable services, data driver attacks on applications, host based attacks such as privilege escalation, unwanted logins and access to sensitive files, and malware (viruses, Trojan horses, and worms). Intrusion detection is the process of monitoring the events occurring in a computer system or network and analyzing them for signs of possible incidents, which are violations or imminent threats of violation of computer security policies, acceptable use policies, or standard security practices. Intrusion prevention is the process of performing intrusion detection and attempting to stop detected possible incidents. Intrusion detection and prevention systems (IDPS) are primarily focused on identifying possible incidents, logging information about them, attempting to stop them, and reporting them to security administrators. In addition, organizations use IDPSs for other purposes, such as identifying problems with security policies, documenting existing threats, and deterring individuals from violating security policies. IDPSs have become a necessary addition to the security infrastructure of nearly every organization. An IDS is composed of several components: Sensors which generat e security events, a Console to monitor events and alerts and control the sensors, and a central Engine that records events logged by the sensors in a database and uses a system of rules to generate alerts from security events received. There are several ways to categorize an IDS depending on the type and location of the sensors and the methodology used by the engine to generate alerts. In many simple IDS implementations all three components are combined in a single device or appliance. In a network-based intrusion-detection system (NIDS), the sensors are located at choke points in the network to be monitored, often in the demilitarized zone (DMZ) or at network borders. The sensor captures all network traffic and analyzes the content of individual packets for malicious traffic.

An Introduction To Intrusion Detection Systems :: Computer Network Security

I decided to write my paper on Intrusion Detection Systems (IDS) and Intrusion Prevention Systems (IPS) because professor mentioned these devices several times in class and I am interested in network security therefore it was a good opportunity for me to learn more about these security systems. An intrusion detection system (IDS) generally detects unwanted manipulations to computer systems, mainly through the Internet. The manipulations may take the form of attacks by crackers. An intrusion detection system is used to detect many types of malicious network traffic and computer usage that can't be detected by a conventional firewall. This includes network attacks against vulnerable services, data driver attacks on applications, host based attacks such as privilege escalation, unwanted logins and access to sensitive files, and malware (viruses, Trojan horses, and worms). Intrusion detection is the process of monitoring the events occurring in a computer system or network and analyzing them for signs of possible incidents, which are violations or imminent threats of violation of computer security policies, acceptable use policies, or standard security practices. Intrusion prevention is the process of performing intrusion detection and attempting to stop detected possible incidents. Intrusion detection and prevention systems (IDPS) are primarily focused on identifying possible incidents, logging information about them, attempting to stop them, and reporting them to security administrators. In addition, organizations use IDPSs for other purposes, such as identifying problems with security policies, documenting existing threats, and deterring individuals from violating security policies. IDPSs have become a necessary addition to the security infrastructure of nearly every organization. An IDS is composed of several components: Sensors which generat e security events, a Console to monitor events and alerts and control the sensors, and a central Engine that records events logged by the sensors in a database and uses a system of rules to generate alerts from security events received. There are several ways to categorize an IDS depending on the type and location of the sensors and the methodology used by the engine to generate alerts. In many simple IDS implementations all three components are combined in a single device or appliance. In a network-based intrusion-detection system (NIDS), the sensors are located at choke points in the network to be monitored, often in the demilitarized zone (DMZ) or at network borders. The sensor captures all network traffic and analyzes the content of individual packets for malicious traffic.

Wage Determination in Perfect and Imperfect Markets

Wage determination in perfect and imperfect markets Perfect competition In perfect labor markets, everyone is wage taker – both the employee and the employer. On the one hand, the employer and his firm cannot control the market as there are too numerous firms and the firm is price taker on the product market and labor market. On the other hand, the workers cannot control their wage as they have no economic power to do so or they are of a clearly definite type. In perfect competition there is a free movement of labor. Everyone can enter the labor market or to switch jobs. Moreover, both workers and employers have enough information on the labor market state – wages, demand, productive level of workers etc. The most common thinking in labor markets is that all workers in the same position are equally There are two driving forces concerning the supply of hours by an individual worker – while working, the worker sacrifices its leisure time and the work may be unpleasant. The worker experiences marginal disutility of work, which tends to increase as work hours increase. To deal with the marginal disutility of work, a wage could be raised. This would lead to people willing to work more hours in order to have a greater income and they are ready to sacrifice their leisure time or in other words the substitution effect appears. Still, with higher wages people tend to work less in order to have more leisure, which is the income effect and as a result we meet the backward-bending supply curve of labor. What determines wage rates in perfect competition is the number of qualified people, the wages and non-wage benefits in alternative jobs and the non-wage benefits or costs of the jobs. The wage of a worker is measured by the interaction of demand and supply in the labor market. A very useful tool for calculating the wage rate is the marginal productivity theory. As long as firms are concerned, they will try to maximize profit by employing workers until the marginal cost of employing a worker is equal to the marginal revenue the worker’s output earns for the firm. In other words, the wage should be equal to the marginal cost the firm has occurred by employing the last worker. According to time some differentiations might be made. In the short run expanding industries will be able to pay higher than contracting industries. In the long run there are wage differentials because workers have different abilities and they are not perfectly mobile. In conclusion, the low paid will be those whose labor is in low demand or high supply, they possess few skills or are unfit, work in contracting industries, do not want to move from the area etc. Highly paid are workers whose labor is in high demand or low supply, they have certain skills or talents or work in expanding industries. Wage determination in imperfect markets In the real world, firms or workers, or both, usually have the power to influence wage rates. This is the case with monopsony – this is a market with a single buyer or employer. Another option to determine prices is when the workers are part of a labor union, which can be a monopolist or part of an oligopoly. Monopsonist are wage setters or wage makers as they are represent all the workplaces. What is interesting about monopsonist is that if a firm wants to hire more workers, it has to pay a higher wage rate to attract workers away from other industries. The wage it pays is the average cost to the firm of employing labor and the marginal cost of hiring one more worker will be above the wage rate. To maximize profit, a monopson equalizes marginal cost of employing labor with marginal revenue product. Union monopoly or oligopoly has market power and can influence wages. The scope of this power depends on the market concerned. However, the higher the wages, the less the workplaces. Moreover, unemployed might undercut the union wage by forcing the firm to employ non-unionised labor. The only way to increase wages and not reduce the level of employment is by increasing the productivity of labor. Another form of imperfect labor market Is bilateral monopoly. It means that a union monopoly faces a monopsony employer. In this case the wage rate and the level of employment depend on the relative bargaining strengths and skills of unions and managers. As a matter of fact, my facing a single powerful employer it might be easier for the union to increase wage rates. In bilateral monopoly the union can threaten the industry with strikes and consequently economic losses which gives unions more power. It often happens both sides – union and management, to gain from the carried negotiations. This is called collective bargaining. In this form of agreement there are various threats or promises made by both sides. Examples of union threats are – picketing, working to rule and such of employers can be lock-outs, plant closures etc. The government can also influence the collective bargaining. It can try to set an example, or set up arbitration or conciliation machinery. Another possibility is to use leglislation, e. g. set a minimum wage rate or prevent discrimination. To change the perspective, a higher wage might also be profitable for the firms. The reason behind this lies in the fact that productivity rises with wage rates. Moreover, by investing in training of the personnel, a firm will meet significant loss in the absence of the better-trained workers. High wage rates motivate workers as well. Other imperfections of labor markets can be the inadequate information workers or employers receive. In addition, wages may respond very slowly to change in demand and supply, causing disequilibrium in labor markets. The last factor in determining wages we are going to examine is discrimination. It might take many forms – race, sex, age, class etc. In economics, discrimination means that workers of identical ability are paid different because of the aforementioned characteristics.

Gender Differences Between Men And Women - 1861 Words

In the twenty-first century, western culture frequently dismisses the concept of men and women holding highly distinguishable traits that denote respective functions in society. Such movements insinuate that the objective of absolute equality between the sexes has been met, despite history presenting an entirely contrasting view of gender roles that have perpetuated inequality in the minds of mankind. In order for one to fully comprehend the continual battle that women have fought against the stereotypes that history has tried to allocate for them, a distinction must be made between the terms gender and sex. According to Monash University, â€Å"Gender describes the characteristics that a society or culture delineates as masculine or feminine,† while, â€Å"sex refers to biological differences; chromosomes, hormonal profiles, internal and external sex organs.† Due to the evident physical differences between men and women, society formulated the ideology that men were in telligent, courageous, and determined. Women, contrarily, were more governed by their emotions and were expected to be modest, compassionate, and pious. Therefore, as there is a clear variance between the aforementioned terms, one can notice that the cultural construct of gender spawns from the biological distinction of sex, and that women are deemed socially inferior because they appear naturally inferior to men. Because such principles were essentially rooted in the structural process of society, similar to theShow MoreRelatedGender Differences Between Men And Women1185 Words   |  5 Pagescontroversial and intriguing at the same time. This study approached the hypothesis of gender differences between men and women in spiritual well-being. The study used the Spiritual Well-Being Scale (Ellison, 1983) and assessed 75 college students in the survey. The study resulted in data that confirmed the hypothesis that men and women do not have any significant differences in spiritual well -being. â€Æ' Gender Differences in Spiritual Well-Being The examination of spiritual well-being has been a long andRead MoreGender Differences Between Men And Women1058 Words   |  5 PagesGender differences between men and women Abstract Gender difference can be expressed in many ways. In our daily life, there are many phenomenon can be explained by gender difference. For example, man always like to pay attention to political news, but women focus on gossip news; Women like shopping very much but men never want to go shopping; for the same thing men and women will make different evaluations. These entire phenomenons are because of gender difference. How the gender difference showRead MoreGender Differences Between Men And Women1417 Words   |  6 Pagesto analyze gender differences between men and women in history. Whether these gender differences exist in the way in which they communicate, influence, or lead, men and women have always been viewed as different and unique sets of people. These differences have, to a certain extent, put black mens in the environment at a disadvantage because of their perceived inferiority to the world, mainly due to historical gender inequalities, discrimination of racism. Especially, young black mens. I do believeRead MoreGender Differences Between Men And Women1992 Words   |  8 PagesThere is much debate on the issue of personality differences between men and women, some believe that that men and women are vastly different, others only slightly and the rest firmly believe that we are no different from each other at all. A large quantity of research has been conducted in order to try to find this out. Firstly, it is imperative that gender and personality have a clear definition to prevent confusion. Gender is a psychological perception of masculinity and femininity and can beRead MoreGender Differences Between Men And Women892 Words   |  4 PagesRegardless of the standard definition, gender differences cause the meaning of attractiveness to vary among society. Cultural influences suggest that the â€Å"beauty is in the eye of the beholder† is false. Aside from the specific guidelines towards what men and women perceive, men take attractiveness mor e serious than do women. It has been proven that both men and women compare body image and asymmetry when determining someone’s attractiveness, or lack there of. However, there are certain cases whereRead MoreGender Differences Between Men And Women Essay1533 Words   |  7 Pagesinteractions between men and women, yet I have had difficulty pin-pointing the exact differences. Obviously, the military utilized abrasive and assertive speech, and I correlated it to professional differences rather than gender differences. However, learning the subconscious tendencies of communication polarities with men and women, and introspectively looking back at past interactions, forced me to realize it may be just as much a gender gap as a professional one. I always wondered why some men enjoyedRead MoreGender Differences Between Men And Women Essay2523 Words   |  11 PagesThe â€Å"male norm† is an important concept for understanding women’s history, gender history, and the history of sexuality in classical Athens. Women and Gender in Early Modern Europe, explains the importance of studying women, as well as studying gender. Historians studying gender â€Å"note that what are usually described as the â€Å"biological† differences between men and women are themselves influenced by ideas about gender, with a single polarity (man/woman) so strong in western culture that individualsRead MoreGender Differences Between Women And Men Speak981 Words   |  4 Pagesâ€Å"Sex Differences† is an essay written by a professor of linguistics named Ronald Macaulay. In the essay, he pointed out that there were no gender differences regarding to language development. He talked about various stereotypes about how men an d women speak. He also explains in depth about how social environment made an impact on the talking between men and women. He also concluded that those linguists who still believe in that theory only continue to do so even if what they found in their researchRead MoreThe Gender Pay Gap Measures The Earning Differences Between Women And Men940 Words   |  4 PagesThe gender pay gap measures the earning differences between women and men in paid employment in the labour market. It is one of many indicators of gender inequality in a country, when examining labour market participation in terms of gender (EC 2007). Though we try to fight for gender equality in the workplace, us females still face many difficulties. While they’ve made strides in breaking through the â€Å"glass ceiling,† we often have many other challenges, things such as sexism, discrimination, sometimesRead MoreChinua Achebe s Things Fall Apart Gender Stereotype And The Difference Between Men And Women11 50 Words   |  5 Pagesnovel Things Fall Apart gender stereotype and the difference between men and women, and also how women are treated compared to men, are presented very boldly throughout the whole novel. Showing these stereotypes and maybe certain rights that were provided for one gender and not the other is important when it comes to understanding the novel more because it shows how things were in villages like Umuofia during the time (but mostly before) when Christian missionaries and white men had taken over, and showing