Empirical Software Engineering

Prof. Dr. Yasemin Acar

We work towards empowering society to protect people from digital harms. 

We strive to improve security, privacy, equity, and accessibility through our research, teaching, and beyond. 

We address social challenges that may be exacerbated by technology, and leverage empirical research methods with end users and non-users of technology, developers, administrators, educators and other decision makers to make it easier to safely develop and use technology devoid of social harm. 

We use qualitative and quantitative human computer interaction methods (surveys, interviews, focus groups), large scale measurements, and mixed-methods approaches.

Our goal and approaches are inclusive, and we love collaborating with cryptographers, open source developers, corporate software developers, system administrators, users and non-users of software. 

Re­sea­rch

We use qualitative and quantitative human computer interaction methods (surveys, interviews, focus groups), large scale measurements, and mixed-methods approaches.

Our goal and approaches are inclusive, and we love collaborating with cryptographers, open source developers, corporate software developers, system administrators, users and non-users of software.

About us

Team

We're a multi-disciplinary team & always excited to meet new collaborators.

Te­a­ching

We strive for inclusive teaching, and aim to involve students in the research experience.

Re­sea­rch

News

16.10.2026

Meet the team: Dr. Ján Jančár

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07.10.2026

Hap­py to an­noun­ce that Ni­co­le Dirck­sen has joi­ned our team as a PhD stu­dent!

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07.09.2026

For­schungs­grup­pe Em­pi­ri­sche Soft­wa­re­tech­nik prä­sen­tiert ak­tu­el­le Si­cher­heits­for­schung auf dem 22nd Sym­po­si­um On Usa­ble…

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23.04.2026

Neue DFG-For­schungs­grup­pe an der Uni­ver­si­tät Pa­der­born un­ter­sucht An­griffs­si­cher­heit von tech­ni­schen Ge­samt­s­ys­te­men

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04.02.2026

Uni­ver­si­tät Pa­der­born ent­wi­ckelt mit EU-Part­ner*in­nen Tools für mehr Cy­ber­si­cher­heit in Eu­r­o­pa

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14.02.2025

NSA An­nu­al Best Cy­ber Se­cu­ri­ty Pa­per Com­pe­ti­ti­on Ho­no­ra­ble Men­ti­on!

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11.02.2025

Wis­sen­schaft­le­rin­nen der Uni­ver­si­tät Pa­der­born ent­wi­ckeln App, die si­che­res di­gi­ta­les Ver­hal­ten för­dert

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17.10.2024

Big Da­ta & So­ci­e­ty on­line col­lo­qui­um

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15.08.2024

Pa­per at USE­NIX Se­cu­ri­ty Sym­po­si­um

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09.05.2024

Blog Ent­ry on Epis­te­mic In­ju­sti­ce in (ge­ne­ra­ti­ve) AI

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10.10.2023

Award at CSCW!

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23.08.2023

Two re­sea­rch pa­pers ac­cep­ted at IE­EE Se­cu­ri­ty & Pri­va­cy!

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Weitere Neuigkeiten

Pu­bli­ca­ti­ons

From Thrift Stores to Digital Storefronts: Users’ Perspectives on Privacy and Security of Online Second-Hand Shopping in Germany

D. Zarkalam, A.L. Rotthaler, L. Simko, Y. Acar, in: Twenty-Second Symposium on Usable Privacy and Security (SOUPS 2026), 2026, pp. 141–160.


Poster: Computer Security Researchers' Experiences with Vulnerability Disclosures

H. Sri Ramulu, A.L. Rotthaler, J. Rossel, R. Gonzalez Rodriguez, D. Wermke, S. Fahl, T. Kohno, J. Somorovsky, Y. Acar, in: Proceedings of the 2025 ACM SIGSAC Conference on Computer and Communications Security, ACM, 2025.


"It’s Time. Time for Digital Security.": An End User Study on Actionable Security and Privacy Advice

A.L. Rotthaler, H. Sri Ramulu, L. Simko, S. Fahl, Y. Acar, in: M. Blanton, W. Enck, C. Nita-Rotaru (Eds.), IEEE Symposium on Security and Privacy, SP 2025, San Francisco, CA, USA, May 12-15, 2025, IEEE, 2025, pp. 2228–2245.


S3C2 SICP Summit 2025-06: Vulnerability Response Summit

A.L. Rotthaler, S. Oberthür, J. Somorovsky, K. Thommes, S.T.-N. Trang, Y. Acar, M. Cukier, W. Enck, A. Kapravelos, C. Kästner, ArXiv Preprint ArXiv:2512.02600 (2025).


Analyzing Security and Privacy Advice During the 2022 Russian Invasion of Ukraine on Twitter

J. Schmüser, H.S. Ramulu, N. Wöhler, C. Stransky, F. Bensmann, D. Dimitrov, S. Schellhammer, D. Wermke, S. Dietze, Y. Acar, S. Fahl, in: F. ’Floyd’ Mueller, P. Kyburz, J.R. Williamson, C. Sas, M.L. Wilson, P.O.T. Dugas, I. Shklovski (Eds.), Proceedings of the CHI Conference on Human Factors in Computing Systems, CHI 2024, Honolulu, HI, USA, May 11-16, 2024, ACM, 2024, p. 574:1–574:16.


Decomposing and Measuring Trust in Open-Source Software Supply Chains

L. Boughton, C. Miller, Y. Acar, D. Wermke, C. Kästner, in: Proceedings of the 2024 {ACM/IEEE} 44th International Conference on Software Engineering: New Ideas and Emerging Results, NIER@ICSE 2024, Lisbon, Portugal, April 14-20, 2024, ACM, 2024, pp. 57–61.


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