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You’ve Been Warned An Empirical Study of the Effectiveness of Web Browser Phishing Warnings Serge Egelman Lorrie Cranor Jason Hong
Phishing Warnings ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Firefox 2 (Active)
IE 7 (Passive)
IE 7 (Active)
So Do They Work? ,[object Object],[object Object],[object Object],[object Object],[object Object]
Communication-Human Information Processing (C-HIP) Model ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],M.S. Wogalter. Communication-Human Information Processing (C-HIP) Model. In M.S. Wogalter, editor,  Handbook of Warnings , pages 51-61. Lawrence Erlbaum Associates, 2006. L. F. Cranor. What Do They “Indicate?”: Evaluating security and privacy indicators.  Interactions , 13(3):45-47, 2006.
Study Design ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Study Design ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Please approve this delay so that we can continue processing your order. (Note that if we haven't received your approval by the end of business tomorrow, the item will be cancelled.  We'll still try to obtain and ship the item(s) before that date.)  To do so, visit the following Order Update page in Your Account: http://www.amazonaccounts.net/gp/signin/104-3310393-0927909.htm
Results Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Condition Name Size Clicked Phished Firefox 20 20 0 (0%) Active IE 20 19 9 (45%) Passive IE 10 10 9 (90%) Control 10 9 9 (90%)
Attention Switch & Maintenance ,[object Object],[object Object],Condition Name Sample Size Saw Warning Firefox 20 20 Active IE 20 19 Passive IE 10 8
Attention Switch & Maintenance ,[object Object],[object Object],[object Object],Condition Name Sample Size Read Warning Firefox 20 13 Active IE 20 10 Passive IE 10 3
Attention Switch & Maintenance ,[object Object],[object Object],[object Object],Condition Name Sample Size Recognized Warning Firefox 20 4 Active IE 20 10 Passive IE 10 5
Warning Comprehension ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Condition Name Sample Size Understood Meaning Firefox 20 17 Active IE 20 10 Passive IE 10 3
Warning Comprehension ,[object Object],[object Object],[object Object],[object Object],Condition Name Sample Size Understood Choices Firefox 20 19 Active IE 20 12 Passive IE 10 5
Attitudes and Beliefs ,[object Object],[object Object],[object Object],[object Object]
Attitudes and Beliefs ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Attitudes and Beliefs ,[object Object],[object Object],[object Object]
Motivation and Warning Behaviors ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Environmental Stimuli ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Limitations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Recommendations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Recommendations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
C MU   U sable   P rivacy and   S ecurity   Laboratory http://cups.cs.cmu.edu/

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You've Been Warned

  • 1. You’ve Been Warned An Empirical Study of the Effectiveness of Web Browser Phishing Warnings Serge Egelman Lorrie Cranor Jason Hong
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  • 11. Please approve this delay so that we can continue processing your order. (Note that if we haven't received your approval by the end of business tomorrow, the item will be cancelled. We'll still try to obtain and ship the item(s) before that date.) To do so, visit the following Order Update page in Your Account: http://www.amazonaccounts.net/gp/signin/104-3310393-0927909.htm
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  • 27. C MU U sable P rivacy and S ecurity Laboratory http://cups.cs.cmu.edu/