Privacy 2.4 CptS 401 Adam Carter Discuss position paper rubric Question 9 The following is unique about public-key cryptography: A. it is the only encryption technique that eliminates the need to transmit a secret encryption key between two parties. B. It is the only encryption technique to have entered the public domain. C. It is the only encryption technique that requires both parties to know the secret key. D. All of the above E. None of the above 3 Quiz Question 9 Answer A. See gray box on p. 102 Encryption protects the privacy of our financial transactions on the web • Banks can’t link the payer and recipient of funds • Credit card numbers and account numbers are difficult to steal* 4 Question 10 Which of the following authors argues that laws against slander, libel, defamation, and other wrongs do not sufficiently address all possible violations of privacy? A. Warren and Brandeis B. Judith Jarvis Thomson C. Martin Hellman D. Hollman Jenkins 5 Question 10 Answer A. See p. 106, 3rd paragraph Contrast with the view of Judith Jarvis Thomson: “I suggest it is a useful heuristic device in the case of any purported violation of the right to privacy to ask whether or not the act is a violation of any other right, and if not whether the act really violates a right at all” (p. 107) But there is common ground between the two: “There is no privacy violation if a person consented to the collection and use of the information” (p. 108) 6 Question 11 The following is a key difference between the “free market” and “consumer protection” views of privacy: A. The free market view sees privacy as a right, whereas the consumer protection view sees privacy as something we bargain about. B. The free market view believes companies should be legally liable for violating contracts, whereas the consumer protection view does not. C. The consumer protection view sees privacy as a right, whereas the free market view sees privacy as something we bargain about. D. None of the above 7 Quiz Question 11 Answer C. See the last paragraph of p. 116 How would you characterize these two different views of privacy? (see. pp. 114-116) 8 Let’s Reexamine our Toolbox • When debating a topic, consider: – What do the ethical frameworks say? – Is there any prior legal precedence? – What are the underlying assumptions of a given position? Revisiting Yesterday’s Question: Is Google’s Street View a privacy violation? 10 Arriving at an Answer: Baase’s Principles (p. 54) Questions for Protecting Personal Information Q1: Informed consent? Q2: Collect only data needed? Q3: Opt out option? Q4: Opt in for sensitive data? Q5: Keep data only as long as needed? Q6: Maintain accuracy of data? Q7: Protect security of data? Q8: Policies for responding to law enforcement? 16 Arriving at an Answer: Fourth Amendment Implications (Clicker) Can the presence of a person’s home on Google Maps Street View be considered a “search?” A. Yes B. No C. Not sure 17 Arriving at an Answer: Warren & Brandeis • People have right to prohibit publication of facts about and photos of themselves – Does this extend to their homes? (Are they of general interest?) • How will information on Google Maps Street View be used? 18 Arriving at an Answer: Warren & Brandeis vs. Thomson • W&B: People have right to prohibit publication of facts about and photos of themselves – Does this extend to their homes? (Are they of general interest?) – How will information on Google Maps Street View be used? • Thomson: Is another right being violated (e.g., control of one’s property or person?) 19 Arriving at an Answer: Free Market vs. Consumer Protection View • Free Market – What contracts are in place here? Are people able to enter into agreements freely? • Consumer Protection – How can having one’s house on Google Maps harm an individual? – What restrictions could be put into place to protect individuals? 20 Question (Clicker) Is Google’s Street View a privacy violation? A. Yes B. No 21 Which matches your view of privacy? A. Warren and Brandeis B. Judith Jarvis Thomson How should privacy be regulated? A. Free market B. Consumer protection Whose approach do you like more? A. US B. EU