Guardian Project Blog

Building a trustworthy app store that respects privacy

June 2, 2015

One core piece of our approach is thinking about very high risk situations, like Ai Weiwei or Edward Snowden, then making the tools for operating …

Hiding Apps in Plain Sight

May 7, 2015

Beyond just thinking about encryption of data over the wire, or at rest on your mobile device, we also consider physical access to your mobile device, …

Getting Android tools into Debian

April 30, 2015

As part of Debian’s project in Google Summer of Code, I’ll be working with two students, Kai-Chung Yan and Komal Sukhani, and another mentor from the …

Phishing for developers

February 24, 2015

I recently received a very interesting phishing email directed at developers with apps in Google Play. One open question is, how targeted it was: did …

Complete, reproducible app distribution achieved!

February 11, 2015

With F-Droid, we have been working towards getting a complete app distribution channel that is able to reproducibly build each Android app from …

Experimental app to improve privacy in location sharing

January 29, 2015

As part of the T2 Panic effort, I’ve recently been diving deep into the issues of sharing location. It is unfortunately looking really bad, with many …

First working test of IOCipher for Obj-C

January 26, 2015

Every so often, we revisit our core libraries in the process of improving our existing apps, and creating new ones. IOCipher has become a standard …

Sharing your location privately

January 23, 2015

Facebook location sharing embeds the location in every single message, providing a detailed log to the recipient, Facebook, and anyone Facebook …

2015 is the Year of Bore-Sec

January 2, 2015

Over the last few months, the Guardian Project team has been thinking about how to approach the next five years of our work. An idea of “security so …

Reducing metadata leakage from software updates

October 16, 2014

Update: now you can do this with Tor Onion Services Many software update systems use code signing to ensure that only the correct software is …