10 citations · 11 across the 4 of their papers we have counts for
4 papers
DiffBreak: Is Diffusion-Based Purification Robust?
Andre Kassis, Urs Hengartner, Yaoliang Yu
Diffusion-based purification (DBP) has become a cornerstone defense against adversarial examples (AEs), regarded as robust due to its use of diffusion models (DMs) that project AEs…
UnMarker: A Universal Attack on Defensive Image Watermarking
Andre Kassis, Urs Hengartner
Reports regarding the misuse of Generative AI (GenAI) to create deepfakes are frequent. Defensive watermarking enables GenAI providers to hide fingerprints in their images and use…
Practical Attacks on Voice Spoofing Countermeasures
Andre Kassis, Urs Hengartner
Voice authentication has become an integral part in security-critical operations, such as bank transactions and call center conversations. The vulnerability of automatic speaker ve…
Deep ahead-of-threat virtual patching
Fady Copty, Andre Kassis, Sharon Keidar-Barner +1
Many applications have security vulnerabilities that can be exploited. It is practically impossible to find all of them due to the NP-complete nature of the testing problem. Securi…