The theory of contextual integrity (CI) has inspired work across the legal, privacy, computer science and HCI research communities. Recognizing common interests and common challenges, the time seemed ripe for a meeting to discuss what we have learned from the projects using CI and how to move forward to leverage CI for enhancing privacy preserving […]
Website operators are in the dark about privacy violations by third-party scripts
by Steven Englehardt, Gunes Acar, and Arvind Narayanan. Recently we revealed that “session replay” scripts on websites record everything you do, like someone looking over your shoulder, and send it to third-party servers. This en-masse data exfiltration inevitably scoops up sensitive, personal information — in real time, as you type it. We released the data […]
No boundaries for user identities: Web trackers exploit browser login managers
In this second installment of the “No Boundaries” series, we show how a long-known vulnerability in browsers’ built-in password managers is abused by third-party scripts for tracking on more than a thousand sites. by Gunes Acar, Steven Englehardt, and Arvind Narayanan We show how third-party scripts exploit browsers’ built-in login managers (also called password managers) […]
How the Contextual Integrity Framework Helps Explain Children’s Understanding of Privacy and Security Online
This post discusses a new paper that will be presented at the 2018 ACM Conference on Computer Supported Cooperative Work and Social Computing (CSCW). I wrote this paper with co-authors Shalmali Naik, Utkarsha Devkar, Marshini Chetty, Tammy Clegg, and Jessica Vitak. Watching YouTube during breakfast. Playing Animal Jam after school. Asking Google about snakes. Checking […]
No boundaries: Exfiltration of personal data by session-replay scripts
This is the first post in our “No Boundaries” series, in which we reveal how third-party scripts on websites have been extracting personal information in increasingly intrusive ways. [0] by Steven Englehardt, Gunes Acar, and Arvind Narayanan Update: we’ve released our data — the list of sites with session-replay scripts, and the sites where we’ve […]