165 citations · 243 across the 8 of their papers we have counts for
9 papers
Did the Roll-Out of Community Notes Reduce Engagement With Misinformation on X/Twitter?
Yuwei Chuai, Haoye Tian, Nicolas Pröllochs +1
Developing interventions that successfully reduce engagement with misinformation on social media is challenging. One intervention that has recently gained great attention is X/Twit…
Secure Internet Exams Despite Coercion
Mohammadamin Rakeei, Rosario Giustolisi, Gabriele Lenzini
We study coercion-resistance for online exams. We propose two properties, Anonymous Submission and Single-Blindness which, if hold, preserve the anonymity of the links between test…
PakeMail: authentication and key management in decentralized secure email and messaging via PAKE
Itzel Vazquez Sandoval, Arash Atashpendar, Gabriele Lenzini +1
We propose the use of PAKE for achieving and enhancing entity authentication (EA) and key management (KM) in the context of decentralized end-to-end encrypted email and secure mess…
I am Definitely Manipulated, Even When I am Aware of it. It s Ridiculous! -- Dark Patterns from the End-User Perspective
Kerstin Bongard-Blanchy, Arianna Rossi, Salvador Rivas +3
Online services pervasively employ manipulative designs (i.e., dark patterns) to influence users to purchase goods and subscriptions, spend more time on-site, or mindlessly accept…
Linking Physical Objects to Their Digital Twins via Fiducial Markers Designed for Invisibility to Humans
Mathew Schwartz, Yong Geng, Hakam Agha +4
The ability to label and track physical objects that are assets in digital representations of the world is foundational to many complex systems. Simple, yet powerful methods such a…
Addressing Hate Speech with Data Science: An Overview from Computer Science Perspective
Ivan Srba, Gabriele Lenzini, Matus Pikuliak +1
From a computer science perspective, addressing on-line hate speech is a challenging task that is attracting the attention of both industry (mainly social media platform owners) an…
A Formal Security Analysis of the pEp Authentication Protocol for Decentralized Key Distribution and End-to-End Encrypted Email
Itzel Vazquez Sandoval, Gabriele Lenzini
To send encrypted emails, users typically need to create and exchange keys which later should be manually authenticated, for instance, by comparing long strings of characters. Thes…
Authentication and Key Management Automation in Decentralized Secure Email and Messaging via Low-Entropy Secrets
Itzel Vazquez Sandoval, Arash Atashpendar, Gabriele Lenzini
We revisit the problem of entity authentication in decentralized end-to-end encrypted email and secure messaging to propose a practical and self-sustaining cryptographic solution b…
A Group Signature Based Electronic Toll Pricing System
Xihui Chen, Gabriele Lenzini, Sjouke Mauw +1
With the prevalence and development of GNSS technologies, location-based vehicle services (LBVS) have experienced a rapid growth in recent years. However, location is a sensitive a…