February 18, 2018

Archives for June 2013

51% foreign test doesn't protect Americans

One of the notable claims we have heard, in light of the Verizon / PRISM revelations, is that data extraction measures are calibrated to make sure that 51% or more of affected individuals are non-U.S. persons. As a U.S. person, I don’t find this at all reassuring. To see why, let’s think about the underlying statistics.
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Revisiting the potential hazards of the 'Protect America' act

In light of recent news reports about NSA wiretapping of U.S. Internet communications, folks may be interested in some background on the ‘warrantless wiretapping’ provisions of the Protect America act, and the potential security risks such wiretapping systems can introduce. Here’s a 2007 article a group of us wrote entitled “Risking Communications Security: Potential Hazards of the ‘Protect America’ Act”. http://www.cs.princeton.edu/~jrex/papers/PAA.pdf

Twenty-First Century Eavesdropping

Yesterday’s revelations about widespread government data collection led me to re-read my nine-post series on “Twenty-First Century Eavesdropping” from back in 2006. I was surprised to see how closely that discussion fit the current facts.

Links to the 2006 posts: 1, 2, 3, 4, 5, 6, 7, 8, 9