The Odyssey Thesis Paper on Mens Lust for Power - Free Essay Example

Sample details Pages: 6 Words: 1908 Downloads: 4 Date added: 2017/09/14 Category Advertising Essay Did you like this example? In Homer’s mythological epic: The Odessey the reader follows what is thought to be a story of a courageous soldier and his battle hardened crew fresh from their victory at the stronghold of Troy. Yet a dark shadow of greed and lust for power hangs over these heroic men. Odysseus is a supposed hero, an icon to all his men who are just as power hungry as he is thought to be heroic. Don’t waste time! Our writers will create an original "The Odyssey: Thesis Paper on Mens Lust for Power" essay for you Create order Nevertheless at the time of Greek mythology all men had a level of lust, greed, and power hunger at their side. This ultimately leads to their downfall in suffering or death. At the beginning of Odysseus’ journey to his homeland of Ithaca, we find our so-called hero arriving with his warship on the southwestern coast of Thrace, home of the Cicones. The description of the battle is entirely from Odysseus’ massive ego: â€Å"I stormed that place and killed the men who fought†¦Plunder we took, and we enslaved the woman equal shares to all†¦my men were mutinous, fools, on stores of wine† (152, 896), indicating that he was the brave and victorious soldier and while his crew acted more towards savages. Yet Odysseus’ command over his soldiers reflect on himself, making him no better than them. Once sailing from Thrace and then to the island of the Lotus people, the miscreant finds himself on the island of the Cyclops, Polyphemus. On this barbaric island Odysseus’ famed curiosity, which is one of his most dreadful and distinctive characteristics that is an example of his lust: â€Å"It is Odysseus’ famed curiosity that leads him to the Cyclops’s cave† (Italics, 899). This particular characteristic only leads to the destruction of the crew. Odysseus’ curiosity is not alone; his habit of flexing military supremacies is afoot. It alone is an example of his power hunger: â€Å"you were put to shame and blinded, tell him Odysseus, raiders of cities, you’re your eye: Leartes’ son, whose home’s on Ithaca! † (503, 908), and eventually contributes to his downfall as well as his crew. Odysseus makes numerous unwise decisions that may not hurt him physically or mentally, but his crew will suffer a dreadful death in the process. In his urge for power, Odysseus makes an unwise decision. By telling of who he is and where he hails from, Odysseus has given Polyphemus a sign of retribution and lets out a cry: â€Å"Let him lose all companions, and return under strange sail to bitter days as home† (537, 909). His father and foe of Odysseus, Lord Poseidon, hear this last cry. And due to this cry Lord Poseidon executes his revenge on Odysseus for his heinous crim. After most of Odysseus’ crew escapes the dreadful Cyclops, he directs his crew to the island home of the manipulate witch, Circe. Here on this island, Odysseus expresses his lust for beautiful woman: â€Å"Odysseus shares his meat and wine, and she restores his heart†¦after many seasons of feasting and other pleasures† (Italic, 913); this leads to a betrayal of his faithful wife, Penelope. Odysseus does not only betray Penelope, but he also delays his journey home to Ithaca by two long and forgetful years. After the two pleasant and unfaithful years with Circe, Odysseus and his crew wish to leave her island and act like cowards doing so: â€Å"Odysseus and his men beg Circe to help them get home† (Italic, 913). Circe tells Odysseus that his crew will all die with him to live, but also tells Odysseus if he ventures alone to the underworld he will seek wisdom form the blind prophet Teiresias. Here Odysseus sees his power hunger, greed and lust, with no thought of what is being said to him. He only thinks of what awaits him home. Once returning from the underworld, Odysseus is told of a path that will lead him to Ithaca, but at a great cost. A violent and destructive death will fall upon the crew that is done by Odysseus’s leadership. To distract the crew from their demise; he fills their hearts with joy of seeing their homeland. Odysseus’ lust blinds him, and because of this he tells few crew members of the gruesome fate that awaits them all: â€Å"more than one man, or two, should know those things†¦we die with our eyes open, or know death we baffle if we can† (720, 918). Odysseus’ lusts for his home, wife and son so much, that he will risk himself and his crew for it. As the ships moves closer to the sirens, Odysseus puts beeswax in the crew’s ears to keep them from hearing the song of the Sirens, but does not do so himself. However, lust takes over and he lies to the crew of what Teiresias has predicted: â€Å"yet she urged that I alone should listen to the song† (726, 918). With no thought of what will happen to them, the gullible crew trusts their commander and continues to make preparations for their doom. As the ship passes through the path Odysseus can only think of Ithaca, when staring into the eyes of his dieing crew. Now on the island where the sun god’s cattle graze, Odysseus knows that it has been said that his crew will die here. Odysseus thinks he can change that. By making his crew swear not to touch Helios cattle, he thinks his crew will live to see Ithaca. Yet after a month there was no more food or wine for the men. Hunger came over and over again and began to weaken the crew. With Odysseus asleep the crew decided to eat the cattle. While feasting on them, Odysseus awoke to the fate of his crew unfolding in front of him. Instead of taking action and tiring to save his crew, Odysseus can only think of blaming the gods: â€Å"‘O Father Zeus and gods bliss forever, you made me sleep away this day of mischief! † (915, 924). The sun god, Helios sees his cattle being slaughtered and tells Zeus if he did not strike Odysseus’ men, he will leave for the underworld forever. Once the Ithacans set sail, a lightning bolt shot from the heavens and hit the ship. All of the crew, except Odysseus, drowns to their death. Here Odysseus’ suffering begins Ten years latter, with Odysseus as a prisoner on the island home to the beautiful goddess, Calypso. Nevertheless his lust for Penelope has transformed into a lust for any woman: â€Å"he lay with her each night, for she compelled him† (83, 892), no matter what the cost, Odysseus’s lust will be answered. Hermes then delivers a message from Zeus to Calypso for the release of Odysseus. Odysseus is then released and sets sail for Ithaca, but Lord Poseidon does not allow him to escape so easily. As Odysseus brasses the violent storm his raft is destroyed and with the help of Athena, he arrives on the island of Scheria. After some time he is then found by the daughter of Alcinous, king of Phaeacia. She takes him to the court of Alcinous. Here Odysseus becomes even more power hungry as he tries to gain authority and respect among the people:   â€Å"Men hold me formidable for guile in peace and war: this fame has gone to the sky’s rim† (128, 895), and during this speech of Odysseus’s heroic he know much is a lie. Power can come in many forms. This form of power that is presented by Odysseus is fear and respect. In secret, Odysseus returns to Ithaca aboard a Phaeacia ship. When he finally arrives home after twenty long years it is the same day his son returns from his yearlong journey. When he meets his son an emotion of betrayal slips into his mind. Odysseus hides it, but can recall everything. Athena cleverly changes his appearance into an old beggar. Odysseus is now able to walk around Ithaca in plain site. He sees what the Suitors have done and planes to exact his revenge. Lust drives him to this revenge and it will not stop. Odysseus finds a way to recapture his kingdom, and uses faithful servants to attack the Suitors. When the time came to make his move, the suitors where locked into a single chamber with Odysseus and Telemachus there as well. Here Odysseus shows an even darker side to his power hunger after some of the suitors plead for mercy: â€Å"Antinous was the ringleader, he whipped us on to do these things†¦spare you own people† (1269, 942), and with no compassion Odysseus murdered all that stood before. None of them where armed and held no threat against Odysseus. Odysseus then went on to see his faithful wife and to know that his power hunger and lust lead to all of his crew to die. The power hunger and lust of Odysseus’s crew is no better than Odysseus himself. The fist sign of power hunger is seen after Odysseus meets Aeolus and puts all of the stormy weather in a bag. Of course, once the crew see the bag, their greedy minds think it is treasure and wish to have it for themselves: â€Å"sailors open the bag†¦and the evil winds roar up into a hurricanes that blow the ships back† (Italic, 911). Power hunger surrounds the crew as they are but normal men and would take the heavens given the chance. Later on, the crew’s lust comes into affect and is seen of the island of the beautiful witch Circe. To see a young and beautiful woman filled their hearts with lust for her and so was a grave mistake: â€Å"no need for stealth: here’s a young weaver singing a pretty song to set the air†¦she flew at them with her long stick and shut them in a pigsty† (557, 912), and so they perished with their hideous transformation. The final blow to lead the crew to their watery graves takes place on the island of Thrinakia, home to the sun god, Helios. On the island, Odysseus trusts the crew and makes them swear to not touch the sun god’s cattle. Yet after some months, they have run out of supplies. Their hunger drives them to rash actions: â€Å"flayed each carcass†¦with strips of meat, were laid upon an open fire† (903, 924), death came upon them. The crew’s actions lead them to their death. Helios then told Zeus that if Odysseus’s crew where not punished, the he would leave for the underworld. Once seaborne Zeus struck the ship and sent all of them to their deaths. The last men that have given into their power hunger are the Suitors. The Suitors lived in the kingdom of Ithaca with their leader, Odysseus. Nevertheless, with Odysseus gone, the Suitors take advantage of his twenty years of appetence. Their treatment of Ithaca can be seen by the symbolic reference towards Odysseus faithful hound that has been beaten and abused. Yet, now Odysseus has returned and watches the Suitors abuse his king while he is unseen. The Suitors meet their demise after they are trapped in a room and killed by the Ithacan king All in all, power hunger, and lust feel upon Odysseus and his crew as well as the Suitors, all suffered for their own doing. The power hunger and greed has left theses men broken and punished for their arrogance. This shows that the men of the Odyssey have suffered for their power hunger and lust. In suffering or death, they have paid for their greedy souls.

Existentialism Fight Club - 1975 Words

From an existentialism point of view, there is no right or wrong choice, since one gives an action value by the virtue of choosing it. Choices can only be judged on how involved the decision maker is when making it. Judging by this standard, the narrator is justified in killing Tyler, since he fully became involved in choosing to both accept and reject Tyler’s values by that action. â€Å"Existentialism’s first move is to make every man aware of what he is and to make the full responsibility of his existence rest on him.† In my essay, I shall first discuss how shooting Tyler is crucial in allowing the narrator to achieve the first move in embracing existentialism. He acts as the catalyst for the narrator to make the first move in†¦show more content†¦His second epiphany occurs when he shoots Tyler, and thus himself. On the first level, the narrator acknowledges his death instincts by confronting his fear of pain and death. He accepts Tyler’s ideas of experiencing death so as to be fully conscious of his physical existence. When he shoots Tyler, he does so with the awareness that he is shooting himself. This is the final step he needs to take in order to be fully aware of what he is. On the second level, by rejecting Tyler’s nihilistic ideas of destroying institutions and value systems, he chooses what values to stand for and thus creates his own purpose for himself. â€Å"In choosing his ethics, Man makes himself.† He also translates the belief in these values into the actual action of shooting Tyler, thus defining his existence through actual action. On the third level, by shooting Tyler, he assumes responsibility for all of Man, not just himself. He assumes responsibility for Man because he invents what Man should be: one who does not act in an uncaring and destructive manner towards others. On the fourth level, shooting Tyler allows the narrator to be defined in a way he wishes to be defined in the eyes of the â€Å"other†. Shooting Tyler is crucial towards removing the existence of Project Mayhem. He does not want Marla to find out about Project Mayhem because he will then lose his connections with her. It is important to the narrator to have aShow MoreRelatedExistentialism : The Novel Fight Club 985 Words   |  4 Pagesdefinition of existentialism, it is the theory that one gives an action a value by the virtue of choosing said action to begin with. It is an approach that emphasizes any existence of an individual that is â€Å"condemned to be free† (McCutcheon, p. 91) and are therefore agents who have no other choice but to be accountable for those actions in which they produce. In a way, it is as if existentialism is contrary to essentialism. The idea that existence precedes essence manifests itself in the movie Fight ClubRead MoreExistentialism : What Is It? Essay1704 Words   |  7 Pagesof the meaning of life. Although there is no single answer to this enigma , there are countless theories concerning it. For example, one philosophical approach is known as Existentialism. Jean Paul Sartre, a well-known existentialist, introduced his 3-word ideology, existence precedes essence in his lecture titled Existentialism is a Humanism which was presented during 1940’s Europe, a time when people needed a new foundation of thinking. From then, the theory gained popularity and became the backboneRead MoreExistentialism And The Beliefs Of The Movement1454 Words   |  6 Pagesquotes in Fight Club by Chuck Palahniuk that is a good summary of existentialism and the beliefs of the movement. Existentialism was a turning point for society and literature that advocated the expansion of the minds of authors and their readers so we could improve our thinking to be more enlightened and free. The movement sparked much alternative thinking to allow our society to grow into what it is today and without it people would most likely be more close minded and less free. Existentialism was aRead MoreLuxury Brand5746 Words   |  23 Pagesthe industry of the luxury. France will take again its place of leader of the industry of the luxury only per hour of the Release, thanks to: fashion in particular of Christian Dior and the new look, per hour of the revolution zazou and the existentialism. In the post-war period it will really be necessary to wait, the years 1950 and them assistances of the Marshall plan so that manufactures take again their activities. The textile comes then at the head from exports with nearly 20% to the valueRead MorePsychology and Ob9277 Words   |  38 Pagesgoal of 15% weight loss. Accordingly, she made an appointment to consult with Dr. Richman, a __________ psychologist. a) clinical c) human factors b) counseling d) health ANS: d DIFF: 2 PG: 1-7 TYPE: A OB: 2 33. Club NoFat, a fitness center, introduced a new program that linked diet to the exercise program and was looking for someone to run the program. The clubs director especially wanted to hire someone with a background in stress management in the control of

Worst Day of My Life Free Essays

The Worst Day of My Life It was August 20th 2005 on a Friday morning. I woke up and I was feeling alright. I did what I usually do on Fridays. We will write a custom essay sample on Worst Day of My Life or any similar topic only for you Order Now I cooked, cleaned, took a shower, brushed my hair, and then sat in the living room to watch T. V. Next, my favorite show came on and I was happy and excited to  watch the new episode. Later, the phone rang while I was watching the T. V, then I got up  and then answered the phone. It was my sister in law calling, to tell us that our father had passed away about  an hour  ago. I could not believe what I was hearing; I throw the phone on the floor, fell to my knees and started crying. My mother and everyone else ran towards me, asked me what was wrong and what I found out over the phone. I could not talk at all; I was out of breath from crying. But they all knew something terrible had happened. My mom picked up the phone from the floor and then talked with my sister in law, to find out the sad truth. My mom was shocked like me when she heard what I heard. When my siblings found out, we all fell apart and started to cry and hug each other. We prayed and asked god to get us through the tough time we were going through. After we prayed I went and sat in the corner with my brother and older sister. Three of us kept sitting and crying. After that my mother was trying to comfort us, but she could barely talk because she was crying so much. Unfortunately crying wouldn’t change the reality. My mother had to break the news to everyone over the phone. It was very painful hearing my mom breaking the news to the rest of the relatives, but we had no choice. In conclusion, our life has changed dramatically ever since my father’s death because my mother had to take all the responsibilities. Life was never the same for us, for we are missing the head of the household. Since the loss of our father is a fact, we had to live with the pain and get used to it. And every time that date passes we remember the grief of losing our father. How to cite Worst Day of My Life, Papers Worst Day of My Life Free Essays The Worst Day of My Life Sherry Miller Everest University ENC 1101-157 Composition I – 157 Elaine Childs November 4, 2012 The Worst Day of My Life In this essay you will read about one of the worst days in my life. It is the story about the first time I was raped. I was 13 years old, a junior high school student (8th grade). We will write a custom essay sample on Worst Day of My Life or any similar topic only for you Order Now See I used to have a newspaper route that I delivered before school and got the baby-sitting job after school. Well one day while delivering the newspaper to these town homes, Joe (the husband) stopped me (see he was the security guard for the town homes). Joe asked me if I baby-sat, and I said â€Å"yes†, so he asked me to come over to his house to meet his family. The reason that they needed a baby-sitter is so that the wife can do her errands and he can sleep between jobs. See the Joe had two jobs. He worked at a pizza parlor and as you read earlier a security guard at the town homes that I deliver the paper, too. I got the job which made me excited, because now I could save up faster for my first car. Everything seemed to be going fine, until one day. See I showed up to the apartment like I had been for a month to baby-sit the kids, while the wife left to do her errands and Joe was supposed to be sleeping, which gave me a chance to work on my homework. See Joe looked asleep when I went to put the youngest in to his crib, which happened to be in his parents’ room. While working on my homework, Joe called me from the bedroom, so I thought that maybe the baby was awake and that is why Joe was calling me. When I noticed that the baby was still asleep, I asked Joe why he called me to the room if the baby was not awake. He did not say a word. Joe grabbed me by my wrists and pulled me hard down on the bed. As I fought to get my wrists loose, the harder he held on. He held me down by my wrists (to this day I still cannot be held around my wrists). As he held me down by my wrists, he climbs on top of me. He started to kiss my neck and tried to kiss me on my lips (I kept moving my head side to side to make it hard for him to kiss my lips). At this point he told me to quit moving that he would not hurt me. Well from the time he climbed on top of me, to the time he got off, I kept yelling for him â€Å"to get off of me†. That did not seem to work because he kept telling me to quit moving around as he tried to get my skirt I was wearing up and my underwear down. I finally got really sore and tired from all the squirming around I was doing trying to get him off of me. Since I ended up not squirming anymore, it made it easier to get my skirt up and underwear down to penetrate me. In which he succeeded to do, because of I had to get a pregnancy test, because he wore no condom. After he was done, he got off of me and cleaned himself off and I tried to pull up my underwear and pull down my skirt as I ran to the living room. When I got to the living room I sat on the couch scared to death that he would try again. I had to stay until Joe’s wife came home. As soon as she did, I grabbed my stuff and left without saying a word. All I heard from his wife was â€Å"See you tomorrow†. I could not tell anyone because I thought that I had done something wrong to give the wrong impression. See for the next few months I had to keep working for the family, until one day I was no longer needed (which I was glad for). I was 15 years old when I finally could say anything about what had happed. It took me going to group therapy with my mom and brother along with other people in the group. See what happened was I ran out of the group when they started talking about run-a-ways. At break my mom came out to find me (which I was hiding around the building on a bench) to see what was wrong, to see why I ran out of the group. I finally told her about the rape and all my mom could say to me (it wasn’t let’s get you help); no it was â€Å"What did you do to cause it? As you see my mother was not supportive of the situation. She blamed me for the rape. I managed to talk to my counselor about what had happed to me. My counselor called the police and I talked to them about the whole thing. What they told me was â€Å"they will keep the case open for 7 years, so if he does it again we can arrest him for your rape too†. So the 7 years has pasted with no results. So either he raped someone el se or they are just as scared as I was or it never happens again to anyone. Not sure which it was. 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Department of Administrative Services and Cloud Privacy - Samples

Question: Discuss about the Department of Administrative Services and Cloud Privacy. Answer: Introduction: The scenario considered for this report involves the Department of Administrative Services (DAS) and its cloud first approach alongside prominent references to its data migration policy. The other elements observed in the scenario include references to the process of implementing the shared services such as SaaS HR and Personnel management suite, PaaS SharePoint platform which can be accounted as the basis for the proposed WofG Intranet platform and the SaaS performance management suite. The following report presents a comprehensive analysis of the threats and risks associated with this project since it involves the physical location of data centres at different geographical locations (Abbas Khan, 2015). The necessity of privacy and personal information management is perceived explicitly in the case of Department of Administrative Services (DAS) decision to centralize its functions and services for different government based entities through a US based cloud service provider. The particular references to the recent emergence of profound threats due to expansion of the internet and cloud based practices in the professional domain have to be considered as significant determinants for introduction of policy guidelines. As per Gholami Laurem, the policy guidelines are indicated towards addressing the data breaches that have been reported in context of sensitive areas such as governmental and financial domains (Gholami Laure, 2016). The objective of the cloud security framework should be aligned with the personal information management of associated with particular references to security and privacy of employee data that would be recorded in the HR and performance management framework a nd the payroll information. These aspects would be provided through the single link sign in portals available for employees on the intranet. Security of Employee data: Threats in the cloud migration infrastructure could be identified in the form of Malware and Hacking, unintended disclosure, phishing emails, insider threat and employees bringing their own devices to the workplace. As per Henze, et al, the threats from the implications of employees bringing their own devices to the workplace could lead to profound security threats. The threats arise from storage of sensitive company information in the personal devices of employees could lead to data leakage since the devices could not have appropriate security software (Henze, et al., 2016). The protection of personal information could also be subject to the threat of phishing emails which could be targeted at the personal emails of employees in order to access the details of the employees individual Single Link Sign-in passwords. As per Kamarinou, Millard Hon, employees could also be subject to security risks through unintended disclosure according to which arise from human errors on behalf of the service users, contractor and data processing centre (Kamarinou, Millard Hon, 2016). Such examples could be identified in the physical loss of devices by employees that can be addressed by considering the education of employees regarding the common threat vectors that would not involve references to education and training of employees regarding the risks leading to intended disclosure such as downloading unknown software, malicious links and checking the authenticity of the web addresses. Privacy of employee data: According to Merani, Barcellona Tinnirello, the particular areas which affect the privacy of employee data could be identified in the lack of monitoring the continuous updates regarding applicable legal precedents. Furthermore, it is also essential to notice the pitfalls in collection and processing of personal data related to employees and the lack of awareness of the global process facilities regarding important changes (Merani, Barcellona Tinnirello, 2015). The privacy concerns could be addressed effectively through implementing a comprehensive framework which supports authentication. The privacy of employees personal data can be ensured through inducing a systemic approach that facilitates distinct insights into the responsibilities and authorities of supervisory personnel. These precedents would be considered in context of collection of personal information, processing, utilization and transfer of personal data and the authentication of responsibility of the individuals to undertake these processes. Digital Identity Issues: Digital identity concerns that could be observed in the case of the cloud migration initiative of DAS to introduce HR and performance management suite, the payroll management framework and management of data integration from different data processing centres include identity theft, personal data theft, and misuse of identity, privilege escalation and identity tampering. Identity theft is profoundly observed in the form of using the digital identity of other individuals to access information or impersonating the person on the digital platform. Since the web platform would be implicative of the requirements for management of personal information on the basis of integrity of the data, it is essential to implement suitable approaches such as encryption of digital identity based platforms that are used within the organization (Reichel, et al., 2016). Employees should be equally aware of personal data theft as a detrimental consequence in digital identity issues. Therefore individual employees would be held accountable for resolving issues in the digital identity pertaining to the cloud framework of the organization. As per Soghoian, the creation of a legal environment, addressing privacy concerns in the initial stages which is considered responsible for addressing the digital identity concerns in an organization. Another prominent measure that could be observed in the form of demarcating the digital identification approach from the authorisation and authentication approaches (Soghoian, 2017). Provider Solution Issues: The provider solutions provided by the service provider are also accompanied with prominent references to the multiple data centres of the organization. The particular references to the processing centre at a single location would also be complicated for the service provider to collect data from distinct sources, process the information regarding the different departments of the Government (Xiao Xiao, 2013). It is imperative for the providers to align with the policy and legal requirements pertaining to the cloud services. However, the limitations could arise profoundly in the form of conflicts between policy precedents of the service provider and individual government agencies. Data Sensitivity: The concerns for data sensitivity could be identified in this case profoundly in the form of lack of minimal control of physical security of data centres, employees financial data and performance management data (Merani, Barcellona Tinnirello, 2015). These elements have to be associated with measures such as encryption in order to ensure security of sensitive data. The notable classifications of the data into three categories on the basis of sensitivity would enable employees to perceive the appropriate levels of encryption and security precedents for each form of data. The three categories include profound references to confidential data, regulated data and public data. References Abbas, A., Khan, S. U. (2015). e-Health Cloud: Privacy Concerns and Mitigation Strategies. InMedical Data Privacy Handbook(pp. 389-421). Springer International Publishing. Gholami, A., Laure, E. (2016). Advanced cloud privacy threat modeling.arXiv preprint arXiv:1601.01500. Henze, M., Hermerschmidt, L., Kerpen, D., Huling, R., Rumpe, B., Wehrle, K. (2016). A comprehensive approach to privacy in the cloud-based Internet of Things.Future Generation Computer Systems,56, 701-718. Kamarinou, D., Millard, C., Hon, W. K. (2016). Cloud privacy: an empirical study of 20 cloud providers' terms and privacy policiesPart I.International Data Privacy Law,6(2), 79-101. Merani, M. L., Barcellona, C., Tinnirello, I. (2015, June). Multi-cloud privacy preserving schemes for linear data mining. InCommunications (ICC), 2015 IEEE International Conference on(pp. 7095-7101). IEEE. Reichel, J., Lind, A. S., Gholami, A., Litton, E., Laure, E. (2016). Design and implementation of the advanced cloud privacy threat modeling.International Journal of Network Security Its Applications. Soghoian, C. (2017). Caught in the Cloud: Privacy, Encryption, and Government Back Doors in the Web 2.0 Era. Xiao, Z., Xiao, Y. (2013). Security and privacy in cloud computing.IEEE Communications Surveys Tutorials,15(2), 843-859.