ePayment Security ECOM 6016 Electronic Payment Systems • Keep financial data secret from unauthorized parties (privacy) – CRYPTOGRAPHY Lecture 3 ePayment Security • Verify that messages have not been altered in transit (integrity) – HASH FUNCTIONS • Prove that a party engaged in a transaction ( (nonrepudiation) ) – DIGITAL SIGNATURES • Verify identity of users (authentication) – PASSWORDS‚ DIGITAL CERTIFICATES THE UNIVERSITY OF HONG KONG FEB/MAR 2012 © 2012 MICHAEL I. SHAMOS
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Definition of the Following terms: 1. System Security a system that enforces boundaries between computer networks 2. Threat A threat‚ in the context of computer security‚ refers to anything that has the potential to cause serious harm to a computer system. A threat is something that may or may not happen‚ but has the potential to cause serious damage. Threats can lead to attacks on computer systems‚ networks and more. Threats are potentials for vulnerabilities to turn into attacks on computer
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Efficiency and effectiveness were originally industrial engineering concepts that came of age in the early twentieth century. Management theorists like Frederick Taylor and Frank and Lillian Gilbreth designed time and motion studies primarily to improve efficiency. Work simplification efforts again focused primarily on questions like "How fast can we do this task?" Work simplification also led to terminology like streamlined processes and efficiency experts‚ but the emphasis was still on time and
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GM07 Research Methodology Assignment No.I Assignment Code: 2013GM07A1 Last Date of Submission: 15th April 2013 Maximum Marks:100 Attempt all the questions. All the questions are compulsory and carry equal marks. Section-A Ques. 1 You have been hired by a company which is planning to enter the textile market offering uncrushable/wrinkle free shirts for the working executives. How would you define the marketing research problem in this case. Ques. 2 Explain ‘Validity’
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Organizational Behavior-II Faculty: Dr. Neerpal Rathi Course Objectives: An organization does not really accomplish anything on its own. Plans do not accomplish anything either. Endeavors succeed or fail because of the people involved. Apart from their own personality attributes‚ peoples’ efforts in an organization are also influenced by the changes in economic‚ technological and social conditions‚ inside and outside the organization. The course Organizational Behavior-II is planned and designed to help
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Applying Methodology in Research HCS/465 July 8‚ 2013 Dawn Bricker Applying Methodology in Research When doing a research on a particular topic it is important to think first about what the purpose of the research. Most of researches conduct to help solve a problem or a situation. Then the research continues with the evidence that the person can gather to help solve the problem. This paper will explain how the research process with problems in Health Care. The research will be childhood
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Methodology The reagents used for this experiment were the following: * Methyl red * 0.1M Nitric Acid * 0.5M Copper sulfate – sulfuric acid mixture * 0.1M Sodium hydroxide * Acetone * Distilled water The apparatus used were the following: * Phywe Transference Number Apparatus * Analytical Balance * Buret * Beaker * pipet The experiment starts off with the preparation of the set-up for the transference vessel. Fill the double U-tube with 0.1M Nitric acid
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Grenoble Ecole de Management | Research Methodology Project | Correlation between social media and emotional stability | | Christian Morris Karla LukicXinyun MA | 2014/5/5 | Research Question Does social media has impact on the emotional stability of students? Hypotheses: H1: Females have the same ability to handle personal problems as males. H2: There is higher proportion of females that frequently use social media applications for personal reasons than males. H3: Frequency
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EMPY 5 1.1 Explain each of the terms: speech‚ language‚ communication‚ speech ‚ language and communication needs. Speech ‚ language and communication are closely tied to other areas of development‚ this learning outcome requires you to understand and be able to explain links between speech and development and the likely impact of any difficulties that children may have in acquiring speech‚ communication and language. Some children may not be able to understand the words being spoken to them
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Technology is an essential need in everybody’s life. Without technology‚ many things would not be able to materialize. As for me‚ technology has made my life more enjoyable and easy. One of the useful products of technology would be the television. Usually‚ my family would sit together in the living room to watch television programmes together after dinner. During this time‚ we would occasionally talk about the shows that are being broadcasted. This allows my family to interact with each other
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