Haya is interested in all the aspects of systems and network security, and mainly focuses on identifying vulnerabilities in the Internet infrastructure and services, and on designing defences.
Haya lead the network and systems security research group in the European Center for Security and Privacy by Design (EC-SPRIDE) at Technische Universität Darmstadt. She is also a principal investigator in the EC-SPRIDE and CRISP, both headed by Prof. Michael Waidner, and in the CROSSING, headed by Prof. Johannes Buchmann. Before that she was a postdoctoral researcher with Prof. Michael Waidner in the EC-SPRIDE at Technische Universität Darmstadt. Her Ph.D. was carried out in the Computer Science Department at Bar-Ilan University in the security and cryptography group led by Prof. Amir Herzberg.
She is currently Head of the Institute of Cybersecurity Analytics and Defences (CAD) at the Frauenhofer Institute for Secure Information Technology SIT.