Sunday, January 26, 2020

Statistics and Overview of Phishing Attacks

Statistics and Overview of Phishing Attacks Mansour Aljedani Is a form of criminal conduct which constitutes a growing threat to users financial institutions, and businesses, internet users and social media. Because it does not appear that the risks and damage to phishing in decline in but on the contrary it is becoming increasingly complex, the implementation of the law and government agencies and the private sector at the global level it has to cooperate in their efforts to combat phishing. Where the advent of the Internet and expansion in the computer-based technology in the modern days the number of Internet users has increased in the past few years and this means the threats we are going to face them they grown. Development of means of computer hackers day after day, to deceive others in order to obtain their password or any sensitive information one of the most important of these tricks is spread recently across social media sites and e-mail known as (Phishing Attack). Phishing also it called electronic fraud, it means the person or spoofing, cheating the company by sending an e-mail message claiming to be from the regular company liked to the recipients of the message to the company, and asks him to get some personal information such as bank account details, Passwords, credit card details [1].These are some of the institutions and companies that are struggling trolling all over the world, Anti-Phishing Working Group (APWG), China Internet Network Information Center (CNNIC),Anti-Phishing Alliance of China (APAC) and private sources across the world. My opinion, Is a person or deception, cheating the company by sending an e-mail message claiming that it is a regular company linked to the recipients of the letter to the company, and asks him to get some personal information such as bank account details, passwords and credit card detailsetc. This is done in several ways, most notably: the demand to respond to the message, or put a link in the message to page a fake, and then uses the information to access to bank accounts over the Internet, or access to corporate sites that request personal data to allow access to the site. Anti-Phishing system issued a number of times about the attack on the computers of users of Kaspersky Lab program has been a number of attacks in 2016 32,363,492 times, which is 2.6 million less than the previous quarter. Overall 8.7% of the attacked Kaspersky Lab users by phishers in 2016 [2]. 2.1. Geography OF attacks Most of the country that may be affected by the attacks on users in 2016 are China and the percentage of those who attacked by (20.22%) [2]. Figure 1Geography of phishing attacks The number of users that have been employed on the anti-phishing system and the photo shows the total number of users of Kaspersky Lab in the country. The proportion of the attack in Brazil told by a 2.87 18.63% supplied to Brazil in second place in the standings. And it finished third in the State of Algeria (14.3%) after a 2.92 increase in their share from the previous quarter. The number of attacks in Russia to 7.74% in the third quarter and 7.16%, followed by Canada, the United States 6.56% and the United Kingdom 6.42%ÂÂ   [2]. 2.2. TOP 3 attacked organizations The fraudsters focus on the most popular sites, to increase their chances of a successful phishing attack. Many of half of all undiscovered element Kaspersky Lab heuristic anti-phishing is a phishing pages hiding behind less than 15 company names [2]. 2.3. Proportion of spam in email traffic in 2015 In 2015, the proportion of spam in e-mail traffic 55.28%, which is 11.48Lower than a year earlier percentage points [3]. Figure 2 the proportion of spam in email traffic, 2015 In the first months of the beginning of the 2015 drop was recorded, 61.68% in January to 53.63% in April. 2.4. Sources of spam by country in 2015 There was a slight change to the top three spam sources, in 2015: China has been low since the issuance of the decision of non-spam messages in which the proportion of the country published by 0.59 percentage points China dropped to fourth place at the rate of (6.12%). Vietnam ranked third by (6.13%), and got a 1.92 percentage points. Russia remained in second place by (6.15%) and an increase of 0.22 percentage points. The United States got in the first place, and maintained by arrangement (15.16%), despite a decline of 1.5 percentage points [3]. Figure 3 Sources of spam by country 2.5. The size of spam emails in 2015 Figure 4 The size of spam emails in 2015 In 2015 e-mail messages is desired proportion (less than 2 kilobytes), and averaged 77.26%, while the e-mail messages to the size 2-5 KB decreased to 9.08% [3]. It supports the use of phishing e-mails containing false links to websites aim to get internet user information, but in the recent years, phishing process has evolved to include new techniques to gain access to victims, these are some of them:- 3.1. Clone Phishing In this genre, the scammer constructing electronic mail or reproduced link from email legitimate, and within the email are replaced by the link with malicious copy and then send it via e-mail spoofed so that it appears its coming from the same transmitter, it does so to get the personal information from the victim. It may claim to be a re-send of the original or an updated version to the original [4]. 3.2. Spear Phishing It is a type phishing is it carefully and determine prior these people. Usually the victim is a company or group of dignitaries. Worksite looked like 100% commercial site and be content page request information or enter data update or add a credit card, and sends the message exactly similar to the messages the company or organization and be content in the request on the link to update the data [4]. Figure 5 Clone Phishing The image that is shown above is explaining for Prankster fraud link. 4.1. Email Spoofing It is that the scammer claims to be a legitimate sender, sends a message makes victims believed in the instructions for taking the style used deceptively sends e-mail message fake with a simple change of legitimate e-mail in order to trick recipients. Where fraud Email Sender because it did not contain because of Simple Mail Transfer Protocol (SMTP) [4]. 4.2. Web Spoofing Can prankster set up a Web site that looks similar to a legitimate site, and also makes the victim believe this is the site and this makes the victim enter passwords and personal information the goes into the prankster [4]. 4.2.1. How attack works The attacker failed continent goes process, be between the Web and the victim and had the nickname of this type (man in the middle attack) in information security. However, the victim requested access to the site through a browser on the Internet, such as Google Chrome‎ or Firefox etc. by typing the address URL, for example, (www.yahoo.com) the firstÂÂ   part of a www and Part II DNS (yahoo.com). Also in addition to that when he enters the victim to the site asks your browser commonly used DNS to determine IP address of the host (www) in the field (yahoo.com). The first trick is do it scammer instead of the real Web server, for example, the title of real URL is http://www.yahoo.com and the scammer rewrites address URL to add http://www.Phisheing.com to the front part URL http://www.Phisheing.com http://www.yahoo.com and the victim will think that the browser (Phisheing.com) is a web server and then will ask for it [5]. See fig 6 for more details. Figure 6 Web Spoofing 4.3. DNS Cache Poisoning DNS cache poisoning is a way to feed the local DNS cache of replacement of the incorrect records works DNS through UDP and easy to spoof the source address of the UDP packet [6]. The hacker change the real IP for the IP address it on its own DNS address [6]. 4.3.1. How attack works The hacker amendment cache server DNS to IP address fake. When catching the victim wants to get to (www.bing.com), the browser will ask DNS cache to providing IP address. Here it will be IP address leads to the victim the fake website that is provided by the hacker to steal information from the victim. This type is usually when hacker attacks DNS server and modify IP address. More is known about these cause problems and called the attack (Pharming). Figure 7 DNS Cache Poisoning The hacker attacks the DNS server for modification the ligament IP address to his IP address, which gives him to steal information from the victims. 5.1. Phishing Attack on Facebook Has been detected by some information security experts say there are attacks in the name of cyber-attack are spread too quickly reduce that there is a victim every 20 seconds. It was found that up messages to Facebook users from people who have jobs on the social network, that this letter to steal user accounts will be published infection for a way to send the message to the victim and his friends. Between the 24th and 27th June, things were going well and suddenly received thousands of Facebook users a message from a friend mentioned in the comments, explains the cyber security company. It was, in fact, the start of the message from the attackers to attack the two phases the first phase downloading by the victim of the virus Trojan on your computer. The second phase steals account when you log on again to Facebook. The injured nearly 10,000 Facebook account in Europe, Tunisia, and South America, often occurring in Brazil, does not show that the incident had reached the United Kingdo m [7]. 5.2. Attack on the site Natfilex Some security experts discovered FireEye that have been targeted users Netflix by pranksters in the deception campaign, The plan was a steal credit cards to subscribers in the Netflix and other personal information using modern techniques with a strong attack. The beginning of the attack is to send a message via e-mail require users Netflix entry on the link that leads to the registration page like the truth, Then ask users to update their personal information such as invoice numbers and payment and Date of Birth etc., before being transferred to a site Netflix Forensic [8]. Figure 8 Attack on the site Natfilex An example of a spoofed page that appears from Netflix, which asks the user to enter Username and Password. 5.3. Phishing Attack on Dropbox The use of Dropbox file storage to a phishing attack via e-mail message and a fake page, but this attack was quickly closed according to Symantec. Said security vendor that discovered a set of mail to electronic fake and the message contains a large file and a link to a page Dropbox, the message claims that a document can be viewed them by clicking on the runway link in the message and the link is logged on a fake page on Dropbox itself [9]. 5.4. Phishing Attack on Twitter Said in a statement by the information security manager Twitter was hacked about 250.000 uses. E-mail messages and other information He said the attack, which happened last similar attack that took place on two newspapers Wall Street Journal and New York Times. Some US newspapers reported that the attack was carried out by Chinese hackers. Also the root of the expert in information security Professor Alan Woodward from University of surrey that users be careful of the messages sent to them by phishers with Twitter itself [10]. The growing use of digital technology as the communication medium of entertainment, a tool for the completion of various transactions increased the risks and problems of the diversity may result from this use, and most importantly what is known as phishing email, which can be defined as a fraudulent process in which access to personal information by giving the impression that he trusted entity that in the digital space. There are dozens of smart ideas that help you to protect your personal credit and your identity online, in order to protect yourself Follow these are advices. 6.1. Phishing through scare tactics Usually, the fraudster sends via e-mail that the prosecutor mail from a businessman or an organization is likely that you are dealing with it like a bank, or the Internet service provider you have, or online payment service, or a travel agency, or even a government agency. And he asks you to update or validate, or confirm your account information. Some fraud messages threatening dire consequences if you do not respond. Mail will send you to a site look just like the organizations website or the original side. Such mail is a phishing scam [11]. 6.2. Messages avoid phishing is when people assume personal bank sends you an prompts you for the information about your bank account or credit card under the pretext of making sure of the numbers, relying on the banks logo and other graphics and images to make you think that the message sent by the bank itself. You should not respond to such messages and make sure that the bank and banking institutions do not need to communicate with you to make sure your banking information [11]. 6.3. Do not click on the link Easy enticing you to provide a link attractively Instead of clicking on the link provided, use your browser to go to a known and trusted site by typing the address in your web browser. For example, take this link: https://www.google.com If you click this, it will not take you to Google, and it will take you to a completely different place. The scammers use this trick all the time to cheat you to go to malicious sites. As you can know where the link will take you provided you go through your mouse over the link without clicking on it, if you do it on the link above you will see infosec.kku.edu.sa at the bottom of your browser. If you are using a smart phone, click and hold on the link provided so that shows you the fund shows you the true destination of the link. 6.4. Avoid suspicious responses on online advertising You may need days to publish an online ad for sale for what purpose, then you will receive inevitably letters from interested Among them may be fraudulent messages to send you a buyer crook imminent in another currency worth more than the amount requested by arguing that it was unable to currency conversion and then prompts you to send the rest. When send him a rest you will discover that you check who sent fake. 6.5. E-mail contain misspellings Be wary of e-mail messages that claim to be from organizations or official bodies however contain grammatical errors or mistakes in the use of words, spelling or punctuation. Most official bodies reviewing what is transmitted several times before sending it to the public, is usually crisp, debugging and removed during this process. 7.1. Survey results The majority from ICT, because I went to the department ICT and published them my questions and has the discussion with them after they finish Questions. The majority from trimester 5, because I went to them and explain the my objective (phishing) and give them my questions. The majority chose NO in the rate of (56.25%), this indicates a lack of studies (phishing) in the previous semesters or not to search for it in books or on the Internet, unlike those who chose (YES) by (43.75%), and this shows that they have been search for it on the Internet or books. The majority chose NO in the rate of (68.75%), this shows that students are eager to use their information protection programs (phishing) this is a good indicator of students (ICT). The majority in the rate of (62.5%) chose YES, This is a good rate for students ICT also indicates that their thinking to protect their information and keeping it from phishing by attackers. The majority in the rate of (58.82%) chose NO, This indicates a lack of study material for protection by. Now, at the present time there are digital worldÂÂ   That made peoples lives is simple and easy to make to find the information and communication between the people and the majority of devices used by people, such as computers and smartphones, we use the internet for information and technical information and the curriculum and learning and creation of scientific research or academic and communicate with our friends and our families, such as Google scholar, Google books, YouTube, Skype, WhatsApp, Facebook and Snapchat. However, most hackers had started to develop piracy methods that can be used to steal information from computer users. Phishing is a way of attacking people on their own specific information such as username, password, and credit card. Phishing is also the most widely used method that has been found in the early discovery of computers. Additionally, it has this trick has increased in the past years, using several methods including fake page and a Man in the middle which made this trick to succeed and be used in most is ignorance of computer users. Phishing exploits points weaken people like to deal with them through any kind of kinds to get their own information. Besides, it is known there are a lot sites on the internet, making it difficult to find and prevent phishing sites or blocked, however, it applied most of the host site technical solutions that can mask the phishing sites. In addition, computer users should teach about how to detect phantom site and use the correct web sites. [1]Phishing Attack Victims Likely Targets for Identity Theft. [Online]. Available: https://www.gartner.com/doc/431660/phishing-attack-victims-likely-targets. [Accessed: 15-Jan-2017]. [2]D. Gudkova, M. Vergelis, N. Demidova, and T. Shcherbakova, Spam and phishing in Q1 2016, AO Kapersky Lab, 2016. [3]M. Vergelis, D. Gudkova, N. Demidova, and T. Shcherbakova, SPAM AND PHISHING IN 2015, AO Kapersky Lab, p. 25, 2015. [4]A. A. Khan, Preventing phishing attacks using one time password and user machine identification, ArXiv Prepr. ArXiv13052704, 2013. [5]P. Kalola, S. Patel, and C. Jagani, Web Spoofing For User Security Awareness. [6]M. N. Banu and S. M. Banu, A comprehensive study of phishing attacks, Int. J. Comput. Sci. Inf. Technol., vol. 4, no. 6, pp. 783-786, 2013. [7]Facebook fake friend phishing attack uncovered heres how to spot it. [Online]. Available: http://www.telegraph.co.uk/technology/2016/07/06/facebook-fake-friend-phishing-attack-uncoveredheres-how-to-sp/. [Accessed: 21-Jan-2017]. [8]Netflix phishing scam goes after credit card data, personal info, WGAL, 12-Jan-2017. [Online]. Available: http://www.wgal.com/article/netflix-phishing-scam-goes-after-credit-card-data-personal-info/8591111. [Accessed: 22-Jan-2017]. [9]One of the most convincing phishing attacks yet tricks you with Dropbox sharing, PCWorld, 20-Oct-2014. [Online]. Available: http://www.pcworld.com/article/2835892/dropbox-used-for-convincing-phishing-attack.html. [Accessed: 25-Jan-2017]. [10]D. Lee, Twitter: Hackers target 250,000 users, BBC News, 02-Feb-2013. [11]7 Tips To Protect Against Phishing | Norton. [Online]. Available: https://us.norton.com/7-tips-to-protect-against-phishing/article. [Accessed: 04-Feb-2017].

Friday, January 17, 2020

Discuss Biological Explanations of Schizophrenia Essay

re are several different explanations for the disorder schizophrenia. One of these explanations is the biological model. This model explains schizophrenia through biological faults, for example viral infections and brain abnormalities. Genetic Factors Some psychologists say that schizophrenia can be passed down generations, meaning that some people inherit the disorder from their parents. Twin research has consistently shown that identical twins have a greater risk of developing schizophrenia, if their twin has the disorder, than non-identical twins. Gottesman found monozygotic twins have a concordance rate of 48%, whilst dizygotic twins have a concordance rate of 17%. Evaluation of Genetic Factors This research shows that there is a definite correlation between genetics and the risk of developing schizophrenia. However, no twin research has found a 100% concordance rate; therefore it is impossible the say that genes definitely cause schizophrenia, as other factors clearly have an influence. Also, some psychologists argue that the high concordance rates found could be caused by being brought up in a family with a schizophrenic, so the child mimics the schizophrenic behaviour, rather than by genetics. The Dopamine Hypothesis The dopamine hypothesis says that schizophrenia is caused by an increased reaction to dopamine in the brain. This could be because there is too much of the hormone dopamine in the brain, or conversely because there is an abnormally high number of dopamine receptors in the brain. This model says the excess sensitivity to dopamine results in the brain causes the symptoms of schizophrenia. Evaluation of the Dopamine Hypothesis Autopsies have found an unusually high number of dopamine receptors in the brain of schizophrenics (Owen et al, 1987), however, this evidence is varied and inconclusive. Grilly (2002) found that patients who suffered from Parkinson’s and took the drug L-dopa, which increases dopamine levels, showed signs of schizophrenic symptoms. This suggests the increase in dopamine could result in schizophrenia. Problems with this explanation There are problems of the dopamine hypothesis. One is that antipsychotic drugs, which block dopamine receptor don’t always help patients. This suggests something else must cause schizophrenia as well; otherwise the drugs would help all the patients. Brain dysfunction Using brain imaging techniques, such as P.E.T scans, researchers have found many schizophrenics have enlarged ventricles, on average 15% larger than normal. Some psychologists believe that the increase in the size of these ventricles is what leads to the schizophrenic symptoms. Evaluation The brain imaging scans support this explanation in itself, it’s clear that a lot of schizophrenics have different brain structures to normal people, so there must be some correlation between the two. Research by Meyer-Lindenberg (2002) found that reduced activity of the prefrontal cortex is linked to dopamine abnormalities. This could provide an explanation of why brain dysfunction could cause schizophrenia, not show a correlation. Viral Infection Some researchers suggest that brain abnormalities that lead to schizophrenia could be caused by viral infection. For example, contracting diseases such as Flu or Syphilis in the womb may relate to developing schizophrenia in later life Evaluation of Viral Theory Torrey (2000) found that more schizophrenics are born in the winter, when it is cold and exposure to viruses is higher, than in other months. Although this link is only correlational it suggests viruses do affect the chance of developing schizophrenia

Thursday, January 9, 2020

Definition and Examples of Absolute Phrases in English

An absolute phrase is a group of words that modifies an independent clause as a whole. Its etymology is from the Latin, free, loosen, unrestricted. An absolute is made up of a noun and its modifiers (which frequently, but not always, include a participle or participial phrase). An absolute may precede, follow, or interrupt the main clause: Their slender bodies sleek and black against the orange sky, the storks circled high above us.The storks circled high above us, their slender bodies sleek and black against the orange sky.The storks, their slender bodies sleek and black against the orange sky, circled high above us. An absolute allows us to move from a description of a whole person, place, or thing to one aspect or part. Note that in traditional grammar, absolutes (or nominative absolutes) are often more narrowly defined as noun phrases...combined with participles. The term absolute (borrowed from Latin grammar) is rarely used by contemporary linguists. Examples and Observations The absolute phrase that adds a focusing detail is especially common in fiction writing, much more common than in expository writing... In the following passages, all from works of fiction, some have a participle as the post-noun modifier...; however, youll also see some with noun phrases, others with prepositional phrases. There was no bus in sight and Julian, his hands still jammed in his pockets and his head thrust forward, scowled down the empty street. (Flannery OConnor, Everything That Rises Must Converge)Silently they ambled down Tenth Street until they reached a stone bench that jutted from the sidewalk near the curb. They stopped there and sat down, their backs to the eyes of the two men in white smocks who were watching them. (Toni Morrison, Song of Solomon)The man stood laughing, his weapons at his hips. (Stephen Crane, The Bride Comes to Yellow Sky)To his right the valley continued in its sleepy beauty, mute and understated, its wildest autumn colors blunted by the distance, placid as water color by an artist who mixed all his colors with brown. (Joyce Carol Oates, The Secret Marriage) A second style of absolute phrase, rather than focusing on a detail, explains a cause or condition: Our car having developed engine trouble, we stopped for the night at a roadside rest area. We decided to have our picnic, the weather being warm and clear. The first example could be rewritten as a because- or when- clause: When our car developed engine trouble, we stopped... or Because our car developed engine trouble, we stopped... The absolute allows the writer to include the information without the explicitness of the complete clause; the absolute, then, can be thought of as containing both meanings, both when and because. The absolute about the weather in the second example suggests an attendant condition rather than a cause. (Martha Kolln, Rhetorical Grammar: Grammatical Choices, Rhetorical Effects, 5th ed. Pearson, 2007) Nominative Absolutes Nominative absolutes are related to nonfinite verb phrases... They consist of a subject noun phrase followed by some part of the predicate: either a participle form of the main verb or a complement or modifier of the main verb. . . . [C]omplements and modifiers may take almost any form...Absolutes have traditionally been called nominative because the absolute construction begins with a noun phrase as its headword. Nevertheless, they function adverbially as sentence modifiers. Some [absolutes] explain reasons or conditions for the action described in the main clause; others... describe the manner in which the action of the main clause is performed. (Thomas P. Klammer, Muriel R. Schulz, and Angela Della Volpe, Analyzing English Grammar, 5th ed. Longman, 2007) More Examples of Absolute Phrases Roy circles the bases like a Mississippi steamboat, lights lit, flags fluttering, whistle banging, coming round the bend. (Bernard Malamud, The Natural, 1952)Harry froze, his cut finger slipping on the jagged edge of the mirror again. (J.K. Rowling,  Harry Potter and the Deathly Hallows. Scholastic, 2007)Bolenciecwcz was staring at the floor now, trying to think, his great brow furrowed, his huge hands rubbing together, his face red. (James Thurber, University Days)The spider skins lie on their sides, translucent and ragged, their legs drying in knots. (Annie Dillard, Holy the Firm, 1977)His bare legs cooled by sprinklers, his bare feet on the feathery and succulent grass, and his mobile phone in his hand (he was awaiting Lionels summons), Des took a turn round the grounds. (Martin Amis, Lionel Asbo: State of England. Alfred A. Knopf, 2012)When Johnson Meechum came up the three steps of his purple double-wide trailer and opened the front door, his wife, Mabel, was waiting for him, her thin hands clenched on her hips, her tinted hair standing from her scalp in a tiny blue cloud. (Harry Crews, Celebration. Simon Schuster, 1998)Six boys came over the hill half an hour early that afternoon, running hard, their heads down, their forearms working, their breath whistling. (John Steinbeck, The Red Pony)Whenever you heard distant music somewhere in the town, maybe so faint you thought you imagined it, so thin you blamed the whistling of the streetcar wires, then you could track the sound down and find Caleb straddling his little velocipede, speechless with joy, his appleseed eyes dancing. (Anne Tyler, Searching for Caleb. Alfred A. Knopf, 1975)Still he came on,  shoulders hunched, face twisted, wringing his hands, looking more like an old woman at a wake than an infantry combat soldier. (James Jones,  The Thin Red Line, 1962)A tall man, his shotgun slung behind his back with a length of plow line, dismounted and dropped his reins and crossed the little way to the cedar bolt. (Howard Bahr, The Year of Jubilo: A Novel of the Civil War. Picador, 2001)The men sit on the edge of the pens, the big white and silver fish between their knees, ripping with knives and tearing with hands, heaving the disemboweled bodies into a central basket. (William G. Wing, Christmas Comes First on the Banks)Hundreds and hundreds of frogs were sitting down that pipe, and they were all honking, all of them, not in unison but constantly, their little throats going, their mouths open, their eyes staring up with curiosity at Karel and Frances and their large human shadows. (Margaret Drabble, The Realms of Gold, 1975)The accused man, Kabuo Miyamoto, sat proudly upright with a rigid grace, his palms placed softly on the defendants table — the posture of a man who has detached himself insofar as this is possible at his own trial. (David Guterson, Snow Falling on Cedars, 1994)The superintendent, his head on his chest, was slowly poking the ground with his stick. (Geo rge Orwell, A Hanging, 1931)You can get a fair sense of the perils of an elevator shaft by watching an elevator rush up and down one, its counterweight flying by, like the blade on a guillotine. (Nick Paumgarten, Up and Then Down. The New Yorker, April 21, 2008)Two middle-aged men with jogging disease lumber past me, their faces purple, their bellies slopping, their running shoes huge and costly. (Joe Bennett, Mustnt Grumble. Simon Schuster, 2006)At a right angle to the school was the back of the church, its bricks painted the color of dried blood. (Pete Hamill, A Drinking Life, 1994)Ross sat on the edge of a chair several feet away from the table, leaning forward, the fingers of his left hand spread upon his chest, his right hand holding a white knitting needle which he used for a pointer. (James Thurber, The Years With Ross, 1958)One by one, down the hill come the mothers of the neighborhood, their kids running beside them. (Roger Rosenblatt, Making Toast. The New Yorker, Decembe r 15, 2008)I could see, even in the mist, Spurn Head stretching out ahead of me in the gloom, its spine covered in marram grass and furze, its shingle flanks speared with the rotting spars of failed breakwaters. (Will Self, A Real Cliff Hanger. The Independent, August. 30, 2008)Down the long concourse they came unsteadily, Enid favouring her damaged hip, Alfred paddling at the air with loose-hinged hands and slapping the airport carpeting with poorly controlled feet, both of them carrying Nordic Pleasurelines shoulder bags and concentrating on the floor in front of them, measuring out the hazardous distance three paces at a time. (Jonathan Franzen, The Corrections. Farrar Straus Giroux, 2001) Source Macmillan Teach Yourself Grammar and Style in Twenty Four Hours, 2000.

Wednesday, January 1, 2020

Origin of Accounting - 3836 Words

Accounting historians have attempted to relate their knowledge of the variety of accounting practices at various points of time, and in various places. It is to wider questions of the role of accounting in reflecting and shaping not only business and management practice, but also economic and social organization more generally. Finleys classic  ¡Ã‚ §The Ancient Economy ¡Ã‚ ¨ , which analyzed the embedded-ness of ancient economic activity in the social structure, and in the status concerns of the free citizens, as constituting a brake on the development of profit-focused markets and correspondingly on technology and trade. It saw the state of ancient accounting as itself making impossible sophisticated profit-oriented calculation and rational†¦show more content†¦Writing, for example, is as old as civilization itself, but arithmetic  ¡V the systematic manipulation of number symbols  ¡V was really not a tool possessed by the ancients. Rather, the persistent use of Roma n numerals for financial transactions long after the introduction of Arabic numeration appears to have hindered the earlier creation of double-entry systems. Nevertheless, the problems encountered by the ancients with record keeping, control and verification of financial transactions were not entirely different from our current ones. Governments, in particular, had strong incentives to keep careful records of receipts and disbursements  ¡V particularly concerning taxes. And in any society where individuals accumulated wealth, there was a desire by the rich to perform audits on the honesty and skill of slaves and employees entrusted with asset management. But the lack of the above-listed antecedents to double entry bookkeeping made the job of an ancient accountant extraordinarily difficult. In societies where nearly all were illiterate, writing materials costly, numeration difficult and money systems inconsistent, a transaction had to be extremely important to justify keeping an accounting record. Five thousand years before the appearance of double entry, the Assyrian, Chaldaean-Babylonian and Sumerian civilizations were flourishing in the Mesopotamian Valley, producing some of the oldest known records of commerce. In this areaShow MoreRelatedContent Delivery Network ( Cdn )976 Words   |  4 Pagesload on origin servers. So what is the Difference between the traditional delivery network and content delivery network? As shown in the figure 1, in traditional method, the server that provide content is install at the middle of the Internet, which means that some clients would be far away from the server, thus these would result in high delay time. 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