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Stefanos Koffas — most-cited papers & profile · Cybersecurity
← authors
·
overview
Stefanos Koffas
15
papers ·
6
citations ·
6
h-index
Delft University of Technology
Google Scholar ↗
Semantic Scholar ↗
OpenAlex ↗
Most-cited papers
Can You Hear It? Backdoor Attacks via Ultrasonic Triggers
2021 · 2 citations
Dr. Jekyll and Mr. Hyde: Two Faces of LLMs
2023 · 2 citations
Invisible Threats: Backdoor Attack in OCR Systems
2023 · 1 citations
Backdoor Attacks on Decentralised Post-Training
2026
SoK: The Last Line of Defense: On Backdoor Defense Evaluation
2025
Towards Backdoor Stealthiness in Model Parameter Space
2025
More is Better (Mostly): On the Backdoor Attacks in Federated Graph Neural Networks
2022
Dynamic Backdoors with Global Average Pooling
2022
Backdoor Attacks on Transformers for Tabular Data: An Empirical Study
2023
The SkipSponge Attack: Sponge Weight Poisoning of Deep Neural Networks
2024
$$\mathbfL^2ḑot M = C^2$$ Large Language Models are Covert Channels
2024
EmoBack: Backdoor Attacks Against Speaker Identification Using Emotional Prosody
2024
Top co-authors
Stjepan Picek
· 11
Mauro Conti
· 5
Jing Xu
· 3
Behrad Tajalli
· 2
Jona te Lintelo
· 2
Zhuoran Liu
· 2
Antonino Nocera
· 1
Bart Pleiter
· 1
Coen Schoof
· 1
Gorka Abad
· 1
Gorka Abad
· 1
Kaitai Liang
· 1
Topics
Adversarial ML
Vulnerability Detection
Threat Intelligence
LLM Security
Network Security
Privacy