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Trent Adams's Library tagged privacy →  View Popular

15 Jul 09

Twitter Blog: Twitter, Even More Open Than We Wanted

  • About a month ago, an administrative employee here at Twitter was targeted and her personal email account was hacked. From the personal account, we believe the hacker was able to gain information which allowed access to this employee's Google Apps account which contained Docs, Calendars, and other Google Apps Twitter relies on for sharing notes, spreadsheets, ideas, financial details and more within the company. Since then, we have performed a security audit and reminded everyone of the importance of personal security guidelines.
03 Apr 09

MediaPost Publications You've Been De-Anonymized 04/03/2009

  • The supposed "anonymity" of users in behavioral tracking systems has been challenged repeatedly by privacy advocates over the years. One way or another, even when a non-personal information identifier is applied to a user, it is possible (possible, mind you) to track back at least to that person's IP address and perhaps to sensitive PII. In a new academic paper from two University of Texas scholars, Arvind Narayanan and Vitaly Shmatikov, computer science researchers are turning their eye towards defining "anonymity" and "privacy" online.

De-anonymizing Social Networks

  • We present a framework for analyzing privacy and anonymity in social networks and develop a new re-identification algorithm targeting anonymized social-network graphs. To demonstrate its effectiveness on real-world networks, we show that a third of the users who can be verified to have accounts on both Twitter, a popular microblogging service, and Flickr, an online photo-sharing site, can be re-identified in the anonymous Twitter graph with only a 12% error rate.
24 Feb 09

PS2009 — Epilogue « code technology

  • The 2009 Privacy and Security Conference is over for another year. As usual I was entreated to some interesting new ideas, issues and solutions.
  • What is the ‘killer use case’ for user-centric IdM?  Stefan Brands was technically very good in his presentation, but too often user-centric IdM is focused on the model and technology.  We get the technology now — but what are we going to use it for beyond low-value SSO?  (This topic is certainly fodder for future posts on this blog.)
29 Jan 08

How Much Data Do You Really Want Portable?

  • I've been following the barrage of news regarding Data Portability with a mix of excitement and trepidation. I've been a proponent of OpenID, and regularly use services like PassPack to keep track of the ridiculous number of log-ins I seem to have accumulated. At the same time, I worry about what data is essentially mine, and what doesn't rightfully belong to me. I'm still not convinced that Robert Scoble owned the contact information for his 5000 "friends" on Facebook, and that is the facet of Data Portability that worries me, at least a little.
  • I'm finding that the more avenues I have to share my data online, the more I find myself wanting to pull what I already have out there back. I find it hard to imagine that I'm the only person who worries about the over-reaching umbrella of Google linking up to every other site who joins the Data Portability Workgroup and the sheer amount of amassed information any one entity could end up possessing about me.
12 Sep 07

Machine Learning (Theory) » The Privacy Problem

  • Machine Learning is rising in importance because data is being collected for all sorts of tasks where it either wasn’t previously collected, or for tasks that did not previously exist. While this is great for Machine Learning, it has a downside—the massive data collection which is so useful can also lead to substantial privacy problems.
  • This is a particularly relevant topic right now, because it’s news and because CMU and NSF are organizing a workshop on the topic next month, which I’m planning to attend. However, this is not simply an interest burst—the long term trend of increasing data collection implies this problem will repeatedly come up over the indefinite future.
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