Siamak F. Shahandashti
PhD CS, MSc BSc EE
Reader (Associate Professor)
Cyber Security and Privacy Research Group
Dept. of Computer Science
University of York, UK
Quick Links
Upcoming Submission Deadlines
Security & Privacy Conference Timeline
Latest News
- 2026-10-28: Our wok with Helen and Ibtihal on cultural differences in digital authentication is accepted to PasswordsCon. ePrint to follow. See Conference Homepage
- 2026-10-20: Our wok with Irina, Sebati, and Lydia on ethnic minorities' experiences with digital healthcare services in the UK is accepted to Social Science & Medicine. ePrint to follow. See: Journal Homepage
- 2026-10-18: Ben's work on a longitudinal measurement study of the adoption of second-generation Bitcoin anonymisation protocols has been accepted to IEEE ICDLT 2026. See ePrint, Conference Homepage
- Older: News archive
Selected Recent Publications
Charles Dodd, Pooya Farshim, Siamak F. Shahandashti and Karl Southern.
"Multi-Instance Unrecoverability of iMHF-Based Password Hashing".
ESORICS'26, LNCS 16971, Springer, 2026.
ePrint
| DoI
| Best Paper Runner-Up Award
| BibTeX
Patrizia Di Campli San Vito, Eva Fringi, Penny S. Johnston, Leonardo C. T. Bezerra, Marios Aristodemou, Siamak F. Shahandashti, Emily O'Hara, Laura Fiona Whyte, Lin Luo, Mark Wong, Ayah Soufan, Yashar Moshfeghi and Simone Stumpf.
"Empowering Stakeholders with Participatory Auditing of Predictive AI: Perspectives from End-Users and Decision Subjects without AI Expertise".
CHI'26: 617:1–617:35, ACM, 2026.
ePrint
| Open Proceedings Version
| BibTeX
Aunam Quyoum, Mark Wong, Sebati Ghosh and Siamak F. Shahandashti.
"Minoritised Ethnic People’s Security and Privacy Concerns and Responses towards Essential Online Services".
SOUPS'25: 259–278, USENIX, 2025.
ePrint
| Open Proceedings Version
| Presentation
| BibTeX
Selected Recent Funded Projects
PRIME: Protecting Minority Ethnic Communities Online
PHAWM: Participatory Harm Auditing Workbenches and Methodologies
Current RAs & Students
Research Associates:
Sebati Ghosh (on PRIME and CHEDDAR)
Marios Aristodemou (on PHAWM)
Research Students:
Ibtihal Alotaibi (PhD, with Helen Petrie)
Henry Gray (PhD, with Roberto Metere)
Christian Ndubisi (MScR, with Poonam Yadav)
Full RAs & Students List (including alumni and information for prospective students)
Teaching
Current Modules:
Cryptography Theory and Practice:
CTAP-H /
CTAP-M
Mathematical Foundations of Computer Science:
THE1
Selected Academic Service
Program Committee (current):
University Service (current):
Co-Chair, Physical Sciences Ethics Committee
Member, Information Security Board
Member, Academic Ethics Compliance Committee
Departmental Service (selected, current):
Lead, Cyber Security and Privacy Research Group
Deputy Chair, Graduate School Board
On Other Platforms
Contact Details
Email: x.y@york.ac.uk
where x = siamak
and y = shahandashti
Public Key: OpenPGP File
Office: CSE/133
(map)
Tel: +44 1904 325413
Postal Address
Dept of Computer Science
University of York
York, YO10 5GH
United Kingdom
Previously at
- Newcastle Uni, UK
- ENS, Paris, France
- Victoria Uni, Australia
- Wollongong Uni, Australia