CITP Blog is hosted by Princeton University’s Center for Information Technology Policy, a research center that studies digital technologies in public life. Here you’ll find comment and analysis from the digital frontier, written by the Center’s faculty, students, and friends.
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One of the reasons the network neutrality debate is so murky is that relatively few people understand the mechanics of traffic discrimination. I think that in reasoning about net neutrality…
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Obligatory Summers Post
According to Section 4.3(c)(iii)(g) of the Code of Academic Blogging, I am required, on pain of banishment from the faculty club, to post about the departure of Lawrence Summers as…
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How Watermarks Fail
I wrote Wednesday about Randy Picker’s suggestion of using digital watermarks to embed users’ personal financial information into media files, to discourage users from sharing the files. Today, I want…
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Mistrust-Based DRM
Randy Picker has an interesting post on the Chicago Law Faculty blog, describing what he calls “mistrust-based DRM”. The idea is that when an online music store gives you a…
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Software Security: Creativity in a New Discipline
This is the last excerpt from my new book, Software Security: Building Security In. This might be a good time to buy the book. Creativity in a New Discipline We…
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Software Security: A Case Study
Here is another excerpt from my new book, Software Security: Building Security In.. An Example: Java Card Security Testing Doing effective security testing requires experience and knowledge. Examples and case…
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Software Security: The Badness-ometer
Here is another excerpt from my new book, Software Security: Building Security In. Application Security Tools: Good or Bad? Application security testing products are being sold as a solution to…
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Software Security: The Trinity of Trouble
[Ed Felten says: Please welcome Gary McGraw as guest blogger for the next week. Gary is CTO at Cigital and co-author of two past books with me. He’s here to…
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Sony CD DRM Paper Released
Today Alex and I released our paper about the Sony CD DRM episode. This is the full, extended version of the paper, with a bunch of new material that hasn’t…
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Secure Flight Mothballed
Secure Flight, the planned next-generation system for screening airline passengers, has been mothballed by the Transportation Security Administration, according to an AP story by Leslie Miller. TSA chief Kip Hawley…