Ephraim Zimmer

18 papers B 2Misc 1Journal 9Unranked 5

Year	Rank	Type	Title / Venue / Authors
2025	J	`jnl`	"It's Not My Data Anymore": Exploring Non-Users' Privacy Perceptions of Medical Data Donation Apps. Proc. Priv. Enhancing Technol. Sarah Abdelwahab Gaballah, Lamya Abdullah, Ephraim Zimmer, Sascha Fahl, Max Mühlhäuser, Karola Marky
2024	J	`jnl`	Anonify: Decentralized Dual-level Anonymity for Medical Data Donation. Proc. Priv. Enhancing Technol. Sarah Abdelwahab Gaballah, Lamya Abdullah, Mina Alishahi, Thanh Hoang Long Nguyen, Ephraim Zimmer, Max Mühlhäuser, Karola Marky
2024	J	`jnl`	Wie stellen sich Nutzende ihren Privatsphäre-Assistenten vor? Datenschutz und Datensicherheit (dud) Alina Stöver, Sara Hahn, Simon Althaus, Ephraim Zimmer, Nina Gerber
2023	J	`jnl`	Federated Learning Attacks Revisited: A Critical Discussion of Gaps, Assumptions, and Evaluation Setups. Sensors Aidmar Wainakh, Ephraim Zimmer, Sandeep Subedi, Jens Keim, Tim Grube, Shankar Karuppayah, Alejandro Sánchez Guinea, Max Mühlhäuser
2023	—	`conf`	Label-Aware Aggregation for Improved Federated Learning. FMEC Ahmad Khalil, Aidmar Wainakh, Ephraim Zimmer, Javier Parra-Arnau, Antonio Fernández Anta, Tobias Meuser, Ralf Steinmetz
2023	B	`conf`	Mitigating Intersection Attacks in Anonymous Microblogging. ARES Sarah Abdelwahab Gaballah, Thanh Hoang Long Nguyen, Lamya Abdullah, Ephraim Zimmer, Max Mühlhäuser
2023	J	`jnl`	Mitigating Intersection Attacks in Anonymous Microblogging. CoRR Sarah Abdelwahab Gaballah, Thanh Hoang Long Nguyen, Lamya Abdullah, Ephraim Zimmer, Max Mühlhäuser
2022	J	`jnl`	Insiders Dissected: New Foundations and a Systematisation of the Research on Insiders. DTRAP Ephraim Zimmer, Christian Burkert, Hannes Federrath
2022	—	`conf`	On the Effectiveness of Intersection Attacks in Anonymous Microblogging. NordSec Sarah Abdelwahab Gaballah, Lamya Abdullah, Minh Tung Tran, Ephraim Zimmer, Max Mühlhäuser
2022	J	`jnl`	User-Level Label Leakage from Gradients in Federated Learning. Proc. Priv. Enhancing Technol. Aidmar Wainakh, Fabrizio Ventola, Till Müßig, Jens Keim, Carlos Garcia Cordero, Ephraim Zimmer, Tim Grube, Kristian Kersting, Max Mühlhäuser
2021	J	`jnl`	User Label Leakage from Gradients in Federated Learning. CoRR Aidmar Wainakh, Fabrizio Ventola, Till Müßig, Jens Keim, Carlos Garcia Cordero, Ephraim Zimmer, Tim Grube, Kristian Kersting, Max Mühlhäuser
2020	—	`—`	Datenschutzfreundliche Erkennung und Abwehr von Insiderbedrohungen. Ephraim Zimmer
2020	Misc	`conf`	PEEPLL: privacy-enhanced event pseudonymisation with limited linkability. SAC Ephraim Zimmer, Christian Burkert, Tom Petersen, Hannes Federrath
2019	J	`jnl`	PEEPLL: Privacy-Enhanced Event Pseudonymisation with Limited Linkability. CoRR Ephraim Zimmer, Christian Burkert, Tom Petersen, Hannes Federrath
2019	B	`conf`	Using Context and Provenance to defend against USB-borne attacks. ARES Tobias Mueller, Ephraim Zimmer, Ludovico de Nittis
2018	—	`conf`	Hashing of personally identifiable information is not sufficient. Sicherheit Matthias Marx, Ephraim Zimmer, Tobias Mueller, Maximilian Blochberger, Hannes Federrath
2015	—	`conf`	Anonymity Online for Everyone: What Is Missing for Zero-Effort Privacy on the Internet? iNetSeC Dominik Herrmann, Jens Lindemann, Ephraim Zimmer, Hannes Federrath
2015	—	`conf`	Catching Inside Attackers: Balancing Forensic Detectability and Privacy of Employees. iNetSeC Ephraim Zimmer, Jens Lindemann, Dominik Herrmann, Hannes Federrath