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Carmela Troncoso Profile picture
Carmela Troncoso
@carmelatroncoso
I am an 🏳️‍🌈 Associate Professor at @EPFL_en working on Security and Privacy. Private account
Aug 6, 2021 • 13 tweets • 5 min read
I was going to write about how Apple's new detector for child sexual abuse material (CSAM), promoted under the umbrella of child protection and privacy, is a firm step towards prevalent surveillance and control, but many others have already written so good stuff. Some of it 👇 First, don't be fooled by the fancy crypto and the flashy privacy claims. This is a backdoor to encryption. Yes, folks, a privacy-preserving backdoor is no less of a backdoor. We are back to the crypto wars. @EFF goes at lenght about this in their analysis eff.org/deeplinks/2021…
Apr 9, 2021 • 40 tweets • 9 min read
We hear that the Digital Green Certificate (DGC) is good news as it will enable "safe free movement". Safe free movement is great news, the technical proposal not so much

A long thread coming 👇 This thread is based on three documents:
Legal analysis: ec.europa.eu/info/sites/inf…
Technical proposal: ec.europa.eu/health/sites/h…
Factsheet: ec.europa.eu/commission/pre…
Oct 13, 2020 • 9 tweets • 4 min read
Yesterday, I had a business lunch. The restaurant asked me to input my data on SocialPass, an app now mandatory in Canton Vaud for restaurants gastrovaud.ch/coordonnees-de…
I get the need for tracking, not the creation of abusive surveillance infrastrutures ignoring data protection👇 Image The app is extremely invasive. The designers have not heard of Data Minimization. It is unclear why my address, my name, or *my date of birth!* is at all necessary for a tracer to call me (yes, all fields mandatory and phone number checked via SMSa) Image
Apr 3, 2020 • 9 tweets • 8 min read
As countries deploy data-hungry contact tracing, we worry about what will happen with this data. Together with colleagues from 7 institutions, we designed a system that hides all personal information from the server. Please read and give comments! More info in our repo: github.com/DP-3T/
3-page brief: github.com/DP-3T/document…
White paper: github.com/DP-3T/document…
Data Protection: github.com/DP-3T/document…