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Buying Used Voting Machines on eBay

This is not surprising:

This year, I bought two more machines to see if security had improved. To my dismay, I discovered that the newer model machines — those that were used in the 2016 election — are running Windows CE and have USB ports, along with other components, that make them even easier to exploit than the older ones. Our voting machines, billed as “next generation,” and still in use today, are worse than they were before­ — dispersed, disorganized, and susceptible to manipulation.

Cory Doctorow’s comment is correct:

Voting machines are terrible in every way: the companies that make them lie like crazy about their security, insist on insecure designs, and produce machines that are so insecure that it’s easier to hack a voting machine than it is to use it to vote.

I blame both the secrecy of the industry and the ignorance of most voting officials. And it’s not getting better.

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November 1, 2018 ebay, secrecy, Security technology, securityengineering, voting Read more >

Defending Against Liar Buyer Fraud

It’s a common fraud on sites like eBay: buyers falsely claim that they never received a purchased item in the mail. Here’s a paper on defending against this fraud through basic psychological security measures. It’s preliminary research, but probably worth experimental research.

We have tested a collection of possible user-interface enhancements aimed at reducing liar buyer fraud. We have found that showing users in the process of filing a dispute that (1) their computer is recognized, and (2) that their location is known dramatically reduces the willingness to file false claims. We believe the reason for the reduction is that the would-be liars can visualize their lack of anonymity at a time when they are deciding whether to perform a fraudulent action. Interestingly, we also showed that users were not affected by knowing that their computer was recognized, but without their location being pin-pointed, or the other way around. We also determined that a reasonably accurate map was necessary — but that an inaccurate map does not seem to increase the willingness to lie.

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January 21, 2015 academicpapers, anonymity, ebay, fraud, lies, Security technology Read more >