activity
20182024
most citedPreliminary Analysis of Potential Harms in the Luca Tracing System

9 citations · 24 across the 4 of their papers we have counts for

collaborators

5 papers

cs.CR2024

Poster: Developing an O-RAN Security Test Lab

Sotiris Michaelides, David Rupprecht, Katharina Kohls

Open Radio Access Networks (ORAN) is a new architectural approach, having been proposed only a few years ago, and it is an expansion of the current Next Generation Radio Access Net…

cs.CR2022★ 8 cited

Hope of Delivery: Extracting User Locations From Mobile Instant Messengers

Theodor Schnitzler, Katharina Kohls, Evangelos Bitsikas +1

Mobile instant messengers such as WhatsApp use delivery status notifications in order to inform users if a sent message has successfully reached its destination. This is useful and…

cs.CR2021★ 7 cited

VerLoc: Verifiable Localization in Decentralized Systems

Katharina Kohls, Claudia Diaz

We tackle the challenge of reliably determining the geo-location of nodes in decentralized networks, considering adversarial settings and without depending on any trusted landmarks…

cs.CR2021★ 9 cited

Preliminary Analysis of Potential Harms in the Luca Tracing System

Theresa Stadler, Wouter Lueks, Katharina Kohls +1

In this document, we analyse the potential harms a large-scale deployment of the Luca system might cause to individuals, venues, and communities. The Luca system is a digital prese…

cs.CR2018

Adversarial Attacks Against Automatic Speech Recognition Systems via Psychoacoustic Hiding

Lea Schönherr, Katharina Kohls, Steffen Zeiler +2

Voice interfaces are becoming accepted widely as input methods for a diverse set of devices. This development is driven by rapid improvements in automatic speech recognition (ASR),…