A Brief Note On Professional Seminar Network Security

FA 15 - CS699D - PROFESSIONAL SEMINAR Network Security Abstract Network Security The Internet continues to grow exponentially. Personal, government, and business applications continue to multiply on the Internet, with immediate benefits to end users. However, these network-based applications and services can pose security risks to individuals and to the information resources of companies and governments. Information is an asset that must be protected. Without adequate network security, many individuals, businesses, and governments risk losing that asset. Network security is the process by which digital information assets are protected. The†¦show more content†¦Specialty areas within an industry often have their own brands of jargon, as well, and the computer security sub-field is no exception. It is not possible to provide a complete glossary of security-related terms within the scope of this chapter, but in this section, we will define some of the more common words and phrases that you may encounter as you begin to explore the fascinating world of computer security: ââ€"   Attack: In the context of computer/network security, an attack is an attempt to access resources on a computer or a network without authorization, or to bypass security measures that are in place. ââ€"   Audit: To track security-related events, such as logging onto the system or network, accessing objects, or exercising user/group rights or privileges. ââ€"   Availability of data: Reliable and timely access to data. ââ€"   Breach: Successfully defeating security measures to gain access to data or resources without authorization, or to make data or resources available to unauthorized persons, or to delete or alter computer fi les. ââ€"   Brute force attack: Attempt to â€Å"crack† passwords by sequentially trying all possible combinations of characters until the right combination works to allow access. ââ€"   Buffer: A holding area for data. ââ€"   Buffer overflow: A way to crash a system by putting more data into a buffer than the buffer is able to hold. ââ€"   CIA triad: Confidentiality, Integrity, and Availability of data. Ensuring the

The Historical Perspectives Of The Columbus Day Became A...

Challenging Historical Perspectives The course Survey of Literature I not only explored, but analyzed a wide range of texts from different eras. Each text allowed students to critically analyze different factors, including what time period it was written during, why it was written by the author, who the audience was and other literary components. The texts entitled Letter to Ferdinand and Isabella Regarding the Fourth Voyage (with the aid of Letter to Luis de Santangel Regarding the First Voyage), Clotel, and Fourth of July were critical texts in the course because they helped readers challenge their point of view with regard to common historical perspectives. For instance, readers knew how in fourteen hundred and ninety-two Columbus sailed the ocean blue. His discovery of America, and not the Indies as he originally thought, would be significant in history. Thus, Columbus Day became a national holiday in the United States in 1937 under President Theodore Roosevelt and would later become a national holiday in 1971. It signified the â€Å"celebration and commemoration of Christopher Columbus’ discovery of the New World† (Hitchmough). However, Columbus Day also sparked controversy with regard to the underlying associations between Columbus, â€Å"racism†, â€Å"imperialism† and â€Å"ensuing genocide† with concern to the treatment of the Native Americans during this expedition (Hitchmough). Thus, illustrating a different man than the heroic like figure history perceived and has continued toShow MoreRelatedChristopher Columbus and His Legacy: Positive vs. Negative Essay1435 Words   |  6 Pageswill have le arned about the famous maritime explorer and navigator, Christopher Columbus. Born in 1451, Columbus was a Genoese captain commissioned by the king and queen of Spain to find a route to the Indies. 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To admire theRead MoreIndustrial Relations-Labour Laws6823 Words   |  28 Pagesaccomplish the goals of giving a detailed examination of the Jamaican labour laws using both contemporary and historical references while seeking to answer the questions- whose interest do the laws serve? Is there class bias? Definition The term labour law consists of principles, rules and norms that regulate employment relations. Deakin and Morris (2001) argue that, a broader perspective would see labour law as the normative framework for the existence and operation of all the institutions of theRead MoreIndustrial Relations-Labour Laws6832 Words   |  28 Pagesaccomplish the goals of giving a detailed examination of the Jamaican labour laws using both contemporary and historical references while seeking to answer the questions- whose interest do the laws serve? Is there class bias? Definition The term labour law consists of principles, rules and norms that regulate employment relations. 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Dharmakirti, for example, in 7th century wrote in Pramanavarttikam:[14][15] à ¤ µÃ  ¥â€¡Ã  ¤ ¦ à ¤ ªÃ  ¥ Ã  ¤ °Ã  ¤ ¾Ã  ¤ ®Ã  ¤ ¾Ã  ¤ £Ã  ¥ Ã  ¤ ¯Ã  ¤â€š à ¤â€¢Ã  ¤ ¸Ã  ¥ Ã  ¤ ¯ à ¤Å¡Ã  ¤ ¿Ã  ¤ ¤Ã  ¥  à ¤â€¢Ã  ¤ °Ã  ¥ Ã  ¤ ¤Ã  ¥Æ'à ¤ µÃ  ¤ ¾Ã  ¤ ¦Ã  ¤Æ' à ¤ ¸Ã  ¥ Ã  ¤ ¨Ã  ¤ ¾Ã  ¤ ¨Ã  ¥â€¡ à ¤ §Ã  ¤ °Ã  ¥ Ã  ¤ ®Ã  ¥â€¡Ã  ¤Å¡Ã  ¥ Ã  ¤â€ºÃ  ¤ ¾ à ¤Å"à ¤ ¾Ã  ¤ ¤Ã  ¤ ¿Ã  ¤ µÃ  ¤ ¾Ã  ¤ ¦Ã  ¤ ¾Ã  ¤ µ à ¤ ²Ã  ¥â€¡Ã  ¤ ªÃ  ¤Æ'| à ¤ ¸Ã  ¤â€šÃ  ¤ ¤Ã  ¤ ¾Ã  ¤ ªÃ  ¤ ¾Ã  ¤ °Ã  ¤â€šÃ  ¤ ­Ã  ¤Æ' à ¤ ªÃ  ¤ ¾Ã  ¤ ªÃ  ¤ ¹Ã  ¤ ¾Ã  ¤ ¨Ã  ¤ ¾Ã  ¤ ¯Read MoreOne Significant Change That Has Occurred in the World Between 1900 and 2005. 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The Occupy Wall Street Movement Free Essays

The Occupy Wall Street Movement The Occupy Wall Street Movement is a movement that has garnered extensive popularity in the last few months. The movement has been covered by all the major news agencies and magazines of our time and is considered to be an iconic representative of the unrest that is steadily accumulating and reaching bursting point in the masses. The movement has been the subject of countless debates that have sought to determine if the movement is justified or if it is an exploitation of the freedom of free speech and the right to protest. We will write a custom essay sample on The Occupy Wall Street Movement or any similar topic only for you Order Now The discussion will highlight the moral and economic implications involved in the movement; while analyzing (with support from examples and evidence) each of the implications identified above against the utilitarian, Kantian, and virtue ethics to determine which theory best applies to the movement. In order to do so adequately, the discussion will explore who is responsible for income inequality and wealth distribution in the U. S. This will be followed by the suggestion of an equitable outcome from the movement that would be appropriate for our capitalistic society. The discussion will come to a conclusion by predicting whether the movement will continue, fad away, or turn into something else. Occupy Wall Street Movement was a movement that began as a result of social unrest amongst the masses. It is perhaps because of the same reason that the Occupy Wall Street Movement was frequently supported with slogans that sought to highlight the fact that the masses were behind the movement. The moral and economic implications behind the movie are diverse (Klein, 2011). Firstly, the moral implications are apparent in the fact that the protestors have been recorded to engage in numerous unethical protest practices during the Occupy Wall Street Movement. In addition, there is a need to understand the fact that the Occupy Wall Street Movement is essentially a protest that is looking to bring about a radical change at an equally radical pace. Change management principles make it clear that change can never be expected to yield a positive outcome when it takes place with such a sudden intensity (Rushkoff, 2011). In fact, if the demands of the Occupy Wall Street Movement are to be met and implemented, it would be only fair to expect a complete collapse of economy since the demands will require radical changes that will leave economic elements incompatible with the functioning of the global economy. Occupy Wall Street Movement demands that wealth is distributed adequately and justly, but common sense dictates that if wealth has indeed been siphoned off to a select few in the last few decades, then it is unreasonable to expect that the situation will turn around within a few weeks or a few months (Jones, 2011). The rationale behind the Occupy Wall Street Movement may be reasonable and just in its own right, but the demands that the movement is propagating cannot possibly be considered applicable. In fact, the moral nature of the Occupy Wall Street Movement is that which is similar to the morals of a kidnapping. In essence, a threat of civil conflict has been created and is being used to blackmail the authorities into a position where it seems they must comply with the demands of the movement. In addition, the large numbers in which the Occupy Wall Street Movement executes its protests also closely resembles the same dynamics that one would expect to find in a mob. The scary thing about that is a mob can be reasonably expected to go astray at any moment and cause widespread damage. The distribution of wealth, which is widely considered to be unfair by movements such as the Occupy Wall Street Movement, is a process that took place over a period of time that spans decades. Organizations matured and expanded as each new individual who came and went from the corridor of economic power played out his/her part. Some feel policies were formed and amended with the passage of time in order to create the set of circumstances that (in retrospect) appear to be clearly responsible for ensuring that wealth remains in the hands of a limited few. In addition, it is also perceived that the unjustified and biased distribution of wealth is also a sign of corruption. The current form of the economic system has been developed as a result of centuries of experience (Stewart, 2011). The policies and regulations that constitute this economic system have been developed after careful consideration of the experiences and expertise that have been collected during the past. As a result, there are mechanisms that may appear to be redundant at first sight but are actually in place to prevent the incidence of events that led to unwanted and disastrous consequences in the past. It is because of this reason that an alteration in today’s economic system cannot be allowed unless there are sound and undeniable grounds for the amendment. The Occupy Wall Street Movement calls for a revisiting of the economic system in order to benefit the masses that have not benefited from it in the last century. The movement identifies that the current economic system has done little more than ensure that wealth and monetary proficiency remains in the hands of a selected segment. In the same vein, the Occupy Wall Street Movement cites corruption, greed, intentional social inequality and other such elements to be the cause of the unjust distribution of wealth. The Occupy Wall Street Movement has a near infinite supply of motivation since a large volume of the individuals who support it are those who consider that they have been treated unfairly, and that they have not been given the rights that were due to them. In addition, the individuals who found and support Occupy Wall Street Movement also perceive that they were stripped of what they have earned. Such individuals continue to drive the Occupy Wall Street Movement and other movements that have taken root from it (Watson, 2012). There are now countless movements spread out across the globe with similar mandates and procedures. They have objectives for which they hold protests when they believe that they have been wronged. There is a need to understand that there is no immediate plan that can be implemented to make things better for this group of people. There is no gun-shot solution that can be applied to the scenario in an attempt to better the condition of the individuals who perceive that they have been wronged. A more adequate solution would be one in which the protestors taking part in the Occupy Wall Street Movement organize and utilize their combined expertise and experience to form an organization that serves as a watch-dog and fights for cases in which individuals have been deprived of their rights to a prosperous life. If the members of the Occupy Wall Street Movement have reservations against the manner in which the corporate kings are running the show, then sitting on the street is not the right way to go about it. The people taking part in the Occupy Wall Street Movement need to realize that if they fantasize about bringing a major change in the way society functions. This will not happen through protests and/or strikes. There is a need for organization, direction and formalization so that changes in the system can be made the right way. This discussion will attempt to present a holistic elaboration of the Occupy Wall Street Movement and the characteristics of the movement that merit consideration. The above discussion shows that the Occupy Wall Street Movement may have its heart in the right place but it is not going about its objectives in an adequate fashion. The movement needs to revisit its modus operandi. In essence, the people running the â€Å"Occupy Wall Street Movement† are misguided if they think that Wall Street can be occupied by sitting on the Wall Street side-walks. The current financial and economic system that is functioning in the US shares cause-and-effect variables with countless international connections. A single change in the US economy has an extensive chain reaction in the most ordinary of circumstances. As a result, it will not come as a surprise to some if the Occupy Wall Street Movement eventually fades away after a few years. Other movements may sprout from it, but the movement itself will cease to exist since the present system demands a formal and proper approach to the resolution of reservations; which is something that the Occupy Wall Street Movement is not following at the moment. The mandate is there, but the method is not. References Jones, J. M. (2011). Most Americans Uncertain About â€Å"Occupy Wall Street† Goals. Retrieved November 15, 2012, from Gallup, Inc. : http://www. gallup. com/poll/150164/americans-uncertain-occupy-wall-street-goals. aspx Klein, E. (2011). ‘Occupy Wall Street’ protests gain steam, but movement’s goals remain unclear. Retrieved November 15, 2012, from The Washington Post: http://www. washingtonpost. com/business/occupy-wall-street-protests-gain-steam-but-movements-goals-remain-unclear/2011/10/03/gIQAjZNjIL_story. html Rushkoff, D. (2011). Think Occupy Wall St. is a phase? You don’t get it. Retrieved November 15, 2012, from Cable News Network: http://edition. cnn. com/2011/10/05/opinion/rushkoff-occupy-wall-street/index. html Stewart, J. B. (2011). An Uprising With Plenty of Potential. Retrieved Novembe 14, 2012, from The New York Times Company: http://www. nytimes. com/2011/11/19/business/occupy-wall-street-has-plenty-of-potential. html? _r=0 Watson, T. (2012). Occupy Wall Street’s Year: Three Outcomes for the History Books. Retrieved November 14, 2012, from Forbes. com LLC: http://www. forbes. com/sites/tomwatson/2012/09/17/occupy-wall-streets-year/ How to cite The Occupy Wall Street Movement, Essay examples

How the Body Fights Infections Essay Sample free essay sample

The human organic structure was designed to protect itself against harmful sources in order to remain alive. The most critical mechanism helping that procedure would be the immune system. The human immune system is working non-stop. mundane. and every 2nd. There are 1000000s of sources. bacteriums. bugs. viruses. toxins. and parasites that float around us twenty-four hours by twenty-four hours ; and the fact that we are non affected by most of them is because our immune system keeps these microscopic atoms from occupying our organic structures. However. sometimes the immune system may lose one of the harmful sources and the organic structure becomes ill. Even though it was missed one time. the immune system uses particular white blood cells to assail harmful bacteriums ( Nordqvist. 2012. p. 1 ) . The immune system ever battles to acquire rid of the foreign atoms and finally the organic structure is back to normal. Sometimes the resurgence procedure is aided by an excess consumption of H2O. We will write a custom essay sample on How the Body Fights Infections Essay Sample or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page vitamins. medical specialties. antibiotics. and sometimes even surgery. When the organic structure has foreign atoms. such as a virus or a bacteria ( remarkable for bacterium ) . the organic structure sends out cells to acknowledge it. Once these cells find out what the encroacher is. the organic structure launches a defence response to kill the infection. The immune system puts up a battle and gets the organic structure back to normal. Once the organic structure is back to normal. the immune system can make memory cells. which will protect from future infections. Symptoms are the body’s manner of reacting to an infection. Symptoms help the organic structure acquire rid of the infection by stating the immune system what cells need to be activated to contend off the occupying foreign atoms. Harmonizing to Gwaltney and Hayden ( 2007 ) . â€Å"The immune system contains a assortment of natural substances called inflammatory go-betweens. Inflammatory go-betweens help protect the organic structure from infection and other harmful events† ( p. Secret Fighters 3 5 ) . For case. with the common nasal cold. inflammatory go-betweens are released when a nasal cell is infected with a cold virus. Which in bend causes mucus gland secernment. physiological reactions of sneezing and coughing. and stimulates pain nervus fibres. Although holding symptoms are non necessary for contending an infection. 70 five per centum of people with infections suffer from some type of symptom. Medicine is normally taken to do a individual feel better. Most medical specialties found in a drug shop are merely generalized medical specialties for many different types of people contending the same type of infections. like the common cold. Most of these medical specialty merely assist alleviate the symptoms of an infection but non the really infection itself. Prescribed medicines that a individual can acquire from a pharmaceutics are more specific for one certain individual or one certain infection and can break contend the infection and aid alleviate the symptoms. Antibiotics are a stronger type of medicine that can merely be prescribed by a physician after being seen by one. Nordqvist provinces. â€Å"Antibiotics. besides known as antibacterial. are types of medicines that destroy or decelerate down the growing of bacteriums. The Grecian word anti means against. and the Grecian word bios means life† ( Nordqvist. 2012. p. 1 ) . Pain stand-ins are besides normally prescribed with an antibiotic to suit the painful symptoms. It is stated that. â€Å"while the antibiotic is get downing to contend the bacterium. you might still experience aching and hot. so the physician might†¦ besides give you a hurting stand-in. Pain stand-ins can’t do you good. but they do assist you experience better while you’re acquiring well† ( Gavin. 2010. p. 3 ) . When the organic structure is contending off infections. it can be really tired and weak. Harmonizing to Brian ( 2012 ) . his definition of being ill is â€Å"your body†¦ [ is non ] able to execute at its full potential† ( p. 3 ) The immune system uses up a big bulk of the organic structures energy to contend off infection. It leaves small to no energy for other bodily map and to execute a normal day-to-day modus operandi. When physicians give their patients advice. they ever include ‘get plentifulness of rest’ and they say this because when the organic structure is at remainder. the immune system can work without any other distractions. One such molecule that promotes devastation of encroachers is called interleukin-1. [ which ] encourages particular blood cells called B-lymphocytes to bring forth antibodies. Interleukin-1 besides allows T lymph cells ( another type of immune system cell ) to assail bacteriums. If you do non kip. you become more susceptible to illness. which stimulates your immune system. and thanks to the ataractic effects of Interleukin-1. makes you sleepy. In other words. the immune system works to do you sleep ; and kip allows your immune system to work. The immune system works in a bit-by-bit procedure. First the immune system creates a barrier that prevents bacteriums and viruses from come ining the organic structure. Then if a bacterium or virus does acquire into the organic structure. the immune system attempts to observe and extinguish it before it can do itself at place and reproduce. Finally. if the virus or bacterium is able to reproduce and get down doing jobs. your immune system is in charge of extinguishing it ( Brian. 2012. p. 4 ) . Taking a deeper expression inside the organic structure. there are eight other constituents to contending an infection ; they include the: Lymph system. Thymus. Spleen. Bone marrow. Antibodies. Complement system. Hormones. and White blood cells. The Lymph system: lymph is a clear liquid that bathes the cells with H2O and foods. A bacteria that enters the organic structure besides finds its manner into this inter-cell fluid. One occupation of the lymph system is to run out and filtrate these fluids to observe and take the bacterium. Small lymph vass collect the liquid and travel it toward larger vass so that the fluid eventually arrives at the lymph nodes for processing. Lymph nodes contain filtrating tissue and a big figure of lymph cells. When contending an infection. the lymph nodes swell with bacteriums. Swollen lymph nodes are hence a good indicant that you have an infection of some kind. Once lymph has been filtered through the lymph nodes. it re-enters the blood stream. The Thymus is responsible for bring forthing T-cells. The spleen filters the blood looking for foreign cells. The lien is besides looking for old ruddy blood cells in demand of replacing. Bone marrow so steps in and produces new blood cells. both ruddy and white. Following. white blood cells produce antibodies. They are Y-shaped proteins that each respond to a specific bacterium. virus or toxin. Each antibody has a particular subdivision that is sensitive to a specific bacterium. virus or toxin and binds to it in some manner. The adhering by and large disables the chemical action of the toxin. Or a big figure of antibodies can adhere to an encroacher and signal to the complement system that the encroacher needs to be removed. The complement system. like antibodies. is a series of proteins that freely float in the blood. The complement proteins are activated by and work with the antibodies. They cause spliting of cells and signal to scavenger cells that a cell needs to be removed. There are several endocrines generated by constituents of the immune system.Interleukins. for illustration. are generated by white blood cells and produced by macrophages after eating a foreign cell. When interleukins reach the hypothalamus. it produces fever and weariness. The raised temperature of a febrility is known to kill some bacteriums. White blood cells are the most of import portion of the immune system. White blood cells are really a whole aggregation of different cells that work together to destruct bacteriums and viruses and they include: Leukocytes. Lymphocyte. Monocytes. Granulocytes. B-cells. Plasma cells. T-cells. Helper T-cells. Killer T-cells. Suppressor T-cells. Natural slayer cells. Neutrophils. Eosinophil. Basophils. Phagocytes. and Macrophages. All white blood cells are known officially as leucocytes. White blood cells are non like normal cells in the organic structure. they really act like independent. populating single-cell beings able to travel and capture things on their ain. White blood cells behave really much like amebas in their motions and are able to steep other cells and bacteriums. Many white blood cells can non split and reproduce on their ain. but alternatively hold a mill someplace in the organic structure that produces them. That mill is the bone marrow. Leukocytes are divided into three categories: Granulocytes. Lymphocyte. and Monocyte. Granulocytes make up 50 to sixty per centum of all leucocytes. Granulocytes are themselves divided into three categories: neutrophils. eosinophils and basophils. Granulocytes get their name because they contain granules. and these granules contain different chemicals depending on the type of cell. Next. Lymphocytes make up 30 to forty per centum of all leucocytes. Lymphocytes come in two categories: B cells ( those that mature in bone marrow ) and T cells ( those that mature in the Thymus ) . Finally. Monocytes make up seven per centum or so of all leucocytes. Monocytes evolve into macrophages. Since the immune system is so of import it is critical to maintain it healthy and to ever working decently. There are 1000000s and 1000000s of sources. bacteriums. and viruses that the organic structure is susceptible to mundane and without a healthy active immune system them a individual could finally decease from so much onslaught from foreign atoms. However. acknowledging and managing symptoms. taking medical specialty. acquiring a nice sum of slumber. and sing the physician are all great ways to do one feel better if they are ill. Mention Page Brian. Marshall ( 2012 ) . â€Å"How Your Immune System Works†Ellis-Christensen. Tricia ( 2012 ) . â€Å" How Does The Human Body Fight Infections† Gavin. Mary ( 2010 ) . â€Å"What Medicines Are And What They Do† . Gwaltney. Jack and Hayden. Frederick ( 2007 ) . †What Causes Cold Symptoms† . Jones. Cameron ( 2010 ) . â€Å"Sleep and the Immune System: How the Immune System and Sleep Work Hand in Hand† . Nordqvist. Christian ( 2012 ) . â€Å"What Are Antibiotics? How Do Antibiotics Work? † . Medical News Today. MediLexicon. hypertext transfer protocol: //www. medicalnewstoday. com/articles/10278. php hypertext transfer protocol: //www. commoncold. org/undrstn4. htm hypertext transfer protocol: //kidshealth. org/kid/feel_better/things/kidmedic. html # hypertext transfer protocol: //www. soundsleeping. org/articles/sleep-immune-system. htm hypertext transfer protocol: //science. howstuffworks. com/environmental/life/human-biology/immune-system. htm non used but looks utilehypertext transfer protocol: //www. wisegeek. com/how-does-the-human-body-fight-infections. htm