Lecture6.pdf - BITG 2113 E-COMMERCE AND WEB DESIGN Lecture...

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BITG 2113 E-COMMERCE AND WEB DESIGN Lecture 6 E-Commerce Security Security , Privacy & Cyber Policies
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Security Issues and Perspectives From the user’s perspective: How can the user know whether the Web server is owned and operated by a legitimate company? How does the user know that the Web page and form have not been compromised by spyware or other malicious code? How does the user know that an employee will not intercept and misuse the information? From the company’s perspective: How does the company know the user will not attempt to break into the Web server or alter the pages and content at the site? From both parties’ perspectives: How do both parties know that the network connection is free from eavesdropping by a third party “listening” on the line? How do they know that the information sent back and forth between the server and the user’s browser has not been altered?
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Stopping E-Commerce Crimes E-tailers difficulties in stopping cyber criminals and fraudsters: 1. Strong EC security makes online shopping inconvenient for customers 2. Lack of cooperation from credit card issuers and foreign ISPs 3. Online shoppers do not take necessary precautions to avoid becoming a victim 4. IS design and security architecture are vulnerable to attack 5. Software vulnerabilities (bugs) are a huge security problem 6. Managers sometimes ignore due standards of care
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Information Assurance (IA) The protection of information systems against unauthorized access to or modification of information whether in storage, processing, or transit, and against the denial of service to authorized users, including those measures necessary to detect, document, and counter such threats.
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E-commerce Security Dimensions Integrity Assurance that stored data has not been modified without authorization; and a message that was sent is the same message that was received. Nonrepudiation Assurance that an online customer or trading partner cannot falsely deny (repudiate) their purchase or transaction. Authentication Process to verify (assure) the real identity of an individual, computer, computer program, or EC Web site. Confidentiality Assurance of data privacy and accuracy. Keeping private or sensitive information from being disclosed to unauthorized individuals, entities, or processes.
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E-commerce Security Dimensions(2) Availability Assurance that access to data, the Web site, or other EC data service is timely, available, reliable, and restricted to authorized users.
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