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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Information Systems Security Assignment 1 Chapter 1: 1.2) What is the OSI security architecture? Ans) A Systematic way of defining the requirements for security and characterizing the approaches to satisfying them is generally defined as “OSI security architecture”. This was developed as an international standard. Focuses of OSI Security Architecture: 1) Security attacks – action that compromises the security of information owned by an organization. 2) Security mechanism –
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Case Study: The Hometown Deli- Stage 1 I am proud to now be the sole decision maker and owner of my family’s deli‚ The Hometown Deli‚ which has been in my family since 1952. I feel honored and I am so happy that I have been given the chance to better the business and bring it into the 21st century. I need to be careful in doing so since I have never had such responsibilities before. Not only am I now faced with the challenges of learning the ropes of the business‚ but the new rumor about the
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President James Monroe outline what is now known as the Monroe Doctrine in a speech to congress in 1828. The President warned European nations not to interfere in the affairs of America’s neighbors the nations of the Western Hemisphere. Monroe was responding to European threats to aid Spain in regaining its former Latin American colonies. By 1822 Argentina‚ Colombia‚ and Mexico had revolted and declared their independence.(1)Originally‚ the doctrine had been intended to support weak Latin American
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CHAPTER ONE INTRODUCTION 1.1 BACKGROUND The importance of accounting system in any organization cannot be over emphasize. It does not only facilitate proper control and safeguard of assets of the organization but also helps management in its planning for the organizational objective by the information that the system supplies. Lack of efficient accounting practices lead to a series of financial problems‚ fraud‚ frustration among employees‚ loss of public confidence and possibly‚ the collapse
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The person I’m doing my essay on is Marilyn Monroe. Her full name was actually Norma Jeane Mortenson‚ and she was born on June 1‚ 1926‚ in Los Angeles‚ California. She died on August 5‚ 1962‚ at the age of 36. She was a famous actress‚ model‚ and a little bit of a singer. I chose to do this essay on her because I had already new some information about her‚ but I just wanted to learn some more information about her job and her life. Marilyn Monroe grew up with a half sister Bernice Baker Miracle
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Although alcohol has been legal for nearly a decade within Canada‚ it has produced numerous influences on crimes and has been at the heart of the Canadian criminal justice system. One of the greatest negative impacts associated with alcohol is the vast amount of violent crimes‚ which occur within Canada as a result. Pernanen‚ Cousineau‚ Brochu‚ and Sun (2002) conducted extensive research on the prevalence of alcohol and illicit-drug use and correlation to violent crimes within the Canadian Correctional
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Marilyn Monroe (born Norma Jeane Mortenson; June 1‚ 1926 – August 5‚ 1962) was an American actress‚ model‚ and singer‚ who became a major sex symbol‚ starring in a number of commercially successful motion pictures during the 1950s and early 1960s. After spending much of her childhood in foster homes‚ Monroe began a career as a model‚ which led to a film contract in 1946 with Twentieth Century-Fox. Her early film appearances were minor‚ but her performances in The Asphalt Jungle and All About Eve (both
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1. What was the most difficult aspect of the reservation system for Native Americans to accept and why?Consider factors such as conversion to Christianity‚ getting a formal education‚ having to speak English‚ etc. and be sure to discuss how this "acceptance" sacrificed cultural identity. For Native Americans the reservation system would destroy so much of their culture and their identity as a people‚ and the factors that led to this are many. Of the different acts that stripped Native Americans
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Lorraine Monroe‚ now retired‚ was the founding President and CEO of the nonprofit organization‚ Lorraine Monroe Leadership Institute. Dr. Monroe’s mission was to design and develop leadership skills in public schools‚ to which she was successful by transforming Frederick Douglass Academy from being a school prevalent in violence‚ poor attendance‚ and low academic achievement to a school with high test scores and where 96 percent of its students went on to college. It takes many affective personality
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