M-Signaturen aus rechtlicher Sicht. - Johannes Ranke; Lothar Fritsch; Heiko Rossnagel (Datenschutz und Datensicherheit, 2003)

How Secure are Current Mobile Operating Systems? - Tobias Murmann; Heiko Rossnagel (Communications and Multimedia Security, 2004)

Potentiale und Sicherheitsanforderungen mobiler Finanzinformationsdienste und deren Systeminfrastrukturen. - Jan Muntermann; Heiko Rossnagel; Kai Rannenberg (DFN-Arbeitstagung über Kommunikationsnetze, 2004)

Mobile Qualified Electronic Signatures and Certification on Demand. - Heiko Rossnagel (EuroPKI, 2004)

Investigating in Security Solutions - Can Qualified Electronic Signatures be Profitable for Mobile Operators? - Heiko Rossnagel; Denis Royer (AMCIS, 2005)

Mobile Brokerage Infrastructures - Capabilities and Security Requirements. - Jan Muntermann; Heiko Rossnagel; Kai Rannenberg (ECIS, 2005)

Mobile Commerce - Forschungsfragen am Scheideweg der Mobilfunkgenerationen. - Kai Rannenberg; Andreas Albers; Stefan Figge; Mike Radmacher; Heiko Rossnagel (MCTA, 2005)

Profitability of Mobile Qualified Electronic Signatures. - Heiko Rossnagel; Denis Royer (PACIS, 2005)

Die Krise des Signaturmarktes: Lösungsansätze aus betriebswirtschaftlicher Sicht. - Lothar Fritsch; Heiko Rossnagel (Sicherheit, 2005)

Sicherheitsanalyse von Betriebssystemen für Mobile Endgeräte. - Tobias Murmann; Heiko Rossnagel (Sicherheit, 2005)

Making Money with Mobile Qualified Electronic Signatures. - Heiko Rossnagel; Denis Royer (TrustBus, 2005)

Geschäftsmodelle für signaturgesetzkonforme Trust Center. - Silvia Lippmann; Heiko Rossnagel (Wirtschaftsinformatik, 2005)

Secure Mobile Notifications of Civilians in Case of a Disaster. - Heiko Rossnagel; Tobias Scherner (Communications and Multimedia Security, 2006)

Wirtschaftlichkeit mobiler qualifizierter Signaturen im E-Government. - Heiko Rossnagel; Denis Royer (GI Jahrestagung (2), 2006)

On Diffusion and Confusion - Why Electronic Signatures Have Failed. - Heiko Roßnagel (TrustBus, 2006)

Single Sign On mit Signaturen - Integration von elektronischen Signaturen und Passwortsystemen. - Heiko Roßnagel; Jan Zibuschka (Datenschutz und Datensicherheit, 2006)

Implementing Strong Authentication Interoperability with Legacy Systems. - Jan Zibuschka; Heiko Roßnagel (IDMAN, 2007)

Zahlungsbereitschaft für elektronische Signaturen. - Heiko Roßnagel; Oliver Hinz (Wirtschaftsinformatik (1), 2007)

Umsetzung starker Authentifizierung auf Basis von Passwort-Mechanismen. - Heiko Rossnagel; Jan Zibuschka (Sicherheit, 2008)

Secure Mobile Support of Independent Sales Agencies. - Jochen Kokemüller; Heiko Roßnagel; Anette Weisbecker (AMCIS/SIGeBIZ, 2009)

Integrating value-adding mobile services into an emergency management system for tourist destinations. - Tobias Scherner; Jan Muntermann; Heiko Rossnagel (ECIS, 2009)

On the Effectiveness of Privacy Breach Disclosure Legislation in Europe: Empirical Evidence from the US Stock Market. - Jan Muntermann; Heiko Roßnagel (NordSec, 2009)

Introducing Sim-Based Security Tokens as Enabling Technology for Mobile Real-Time Services. - Heiko Roßnagel; Jan Muntermann (NordSec, 2009)

Facilitating the Adoption of Tor by Focusing on a Promising Target Group. - Heiko Roßnagel; Jan Zibuschka; Lexi Pimenidis; Thomas Deselaers (NordSec, 2009)

Agent-based Simulation for Evaluation of a Mobile Emergency Management System. - Heiko Roßnagel; Jan Zibuschka; Olaf Junker (AMCIS, 2010)

Towards Privacy-Enhancing Identity Management in Mashup-Providing Platforms. - Jan Zibuschka; Matthias Herbert; Heiko Rossnagel (DBSec, 2010)

Informations- und Kommunikationsdienste im Notfallmanagement (Vorwort). - Heiko Rossnagel; Jan Muntermann; Tobias Scherner; Jan Zibuschka (GI Jahrestagung (1), 2010)

eTourismus und Katastrophenschutz: Neue mobile Mehrwertdienste durch IKTIntegration. - Heiko Rossnagel; Tobias Scherner; Jan Muntermann; Jan Zibuschka (GI Jahrestagung (1), 2010)

Evaluation of a mobile emergency management system - A simulation approach. - Heiko Roßnagel; Olaf Junker (ISCRAM, 2010)

Ein Konzept zur organisationsübergreifenden Integration von IT-Systemen für die zivile Sicherheit. - Wolf Engelbach; Heiko Roßnagel; Sandra Frings (Software Engineering (Workshops), 2010)

Mobile Dienste für die Einbindung von Bürgern und Hilfseinsatzkräften. - Heiko Roßnagel (Software Engineering (Workshops), 2010)

Diffusion of Federated Identity Management. - Detlef Hühnlein; Heiko Roßnagel; Jan Zibuschka (Sicherheit, 2010)

The Market Failure of Anonymity Services. - Heiko Rossnagel (WISTP, 2010)

Mobiles ortsbezogenes Projektmanagement - Patrick Schneider; Heiko Rossnagel; Jan Zibuschka (CoRR, 2010)

Designing Viable Security Solutions. - Jan Zibuschka; Heiko Rossnagel (AMCIS, 2011)

Geschäftsmodelle für privatsphärenfreundliche soziale Online-Netzwerke. - Christoph Eunicke; Heiko Roßnagel; Jan Zibuschka (GI-Jahrestagung, 2011)

Softwaretechnik und Anwendung moderner Eingabetechnologien. - Uwe Laufs; Heiko Roßnagel; Jan Muntermann; Oliver Höß; Anette Weisbecker; Michael Murphy (GI-Jahrestagung, 2011)

Entwurf eines multitouch-systems für die organisations- und IT-system- übergreifende zusammenarbeit im krisenmanagement in frühen und späten phasen. - Uwe Laufs; Jan Zibuschka; Heiko Roßnagel; Wolf Engelbach (GI-Jahrestagung, 2011)

Datenschutz und Identitätsmanagement für Communities - Communities für Datenschutz und Identitätsmanagement. - Jan Zibuschka; Lexi Pimenidis; Marit Hansen; Heiko Roßnagel (GI-Jahrestagung, 2011)

Secure Mashup-Providing Platforms - Implementing Encrypted Wiring. - Matthias Herbert; Tobias Thieme; Jan Zibuschka; Heiko Roßnagel (ICWE Workshops, 2011)

Using mobile social media for emergency management - A design science approach. - Heiko Roßnagel; Jan Zibuschka (ISCRAM, 2011)

On the effectiveness of mobile service notification for passenger egress during large public events. - Heiko Roßnagel; Jan Zibuschka; Olaf Junker (ISCRAM, 2011)

Mobile Emergency Management Services Targeting Large Public Events. - Jan Zibuschka; Heiko Roßnagel; Jan Muntermann; Tobias Scherner (Int. J. Serv. Sci. Manag. Eng. Technol., 2011)

Empirical analysis of passenger trajectories within an urban transport hub. - Benjamin Heuer; Jan Zibuschka; Heiko Roßnagel; Johannes Maucher (ISCRAM, 2012)

A concept for interoperability of security systems in public transport. - Sebastian Kurowski; Heiko Roßnagel; Jan Zibuschka; Wolf Engelbach (ISCRAM, 2012)

Interoperability for information systems in public urban transport security: The SECUR-ED interoperability notation. - Johannes Sautter; Sebastian Kurowski; Heiko Roßnagel; Wolf Engelbach; Jan Zibuschka (ISCRAM, 2012)

On Some Conjectures in IT Security: The Case for Viable Security Solutions. - Jan Zibuschka; Heiko Roßnagel (Sicherheit, 2012)

Sichere Verknüpfung von Mashup Widgets durch Identity Based Encryption - Datenschutz in Geschäftsanwendungen. - Jan Zibuschka; Heiko Roßnagel; Matthias Herbert (Datenschutz und Datensicherheit, 2012)

Secure mobile sales force automation: the case of independent sales agencies. - Jochen Kokemüller; Heiko Roßnagel (Inf. Syst. E Bus. Manag., 2012)

Service providers' requirements for eid solutions: empirical evidence from the leisure sector. - Michael Kubach; Heiko Roßnagel; Rachelle Sellung (Open Identity Summit, 2013)

ENX ID - an architecture for practical and secure cross company authentication. - Michael Kubach; Heiko Roßnagel; Lennart Oly; Immo Wehrenberg (Open Identity Summit, 2014)

The Economic Impact of Privacy Violations and Security Breaches - A Laboratory Experiment. - Michael Nofer; Oliver Hinz; Jan Muntermann; Heiko Roßnagel (Bus. Inf. Syst. Eng., 2014)

Users' willingness to pay for web identity management systems. - Heiko Roßnagel; Jan Zibuschka; Oliver Hinz; Jan Muntermann (Eur. J. Inf. Syst., 2014)

Der ökonomische Einfluss von Privacyverletzungen und Securityvorfällen - Ein Laborexperiment. - Michael Nofer; Oliver Hinz; Jan Muntermann; Heiko Roßnagel (Wirtschaftsinf., 2014)

SSEDIC.2020 on mobile eid. - Michael Kubach; Herbert Leitold; Heiko Roßnagel; Christian H. Schunck; Maurizio Talamo (Open Identity Summit, 2015)

Evaluating complex identity management systems - the futureid approach. - Rachelle Sellung; Heiko Roßnagel (Open Identity Summit, 2015)

Towards a Decentralized Identity Management Ecosystem for Europe and Beyond. - Bud P. Bruegger; Heiko Roßnagel (Open Identity Summit, 2016)

Towards a Smart Assistant for Enterprise Availability Management. - Uwe Laufs; Heiko Roßnagel (Open Identity Summit, 2017)

A Mechanism for Discovery and Verification of Trust Scheme Memberships: The Lightest Reference Architecture. - Heiko Roßnagel (Open Identity Summit, 2017)

Why Should Only Your Home Be Smart? - A Vision for the Office of Tomorrow. - Andrea Horch; Michael Kubach; Heiko Roßnagel; Uwe Laufs (SmartCloud, 2017)

Leichtgewichtige Infrastruktur zur Schaffung von Sicherheit und Vertrauen in einem digitalen Ökosystem für Agrardaten. - Sven Wagner; Andrea Horch; Bernard Kilian; Heiko Roßnagel (GIL Jahrestagung, 2018)

On the possible impact of security technology design on policy adherent user behavior - Results from a controlled empirical experiment. - Sebastian Kurowski; Nicolas Fähnrich; Heiko Roßnagel (Sicherheit, 2018)

Implementation of Distributed Light weight trust infrastructure for automatic validation of faults in an IOT sensor network. - Isaac Henderson Johnson Jeyakumar; Sven Wagner; Heiko Roßnagel (Open Identity Summit, 2019)

Unified Data Model for Tuple-Based Trust Scheme Publication. - Sven Wagner; Sebastian Kurowski; Heiko Roßnagel (Open Identity Summit, 2019)

Anonymization Is Dead - Long Live Privacy. - Jan Zibuschka; Sebastian Kurowski; Heiko Roßnagel; Christian H. Schunck; Christian Zimmermann 002 (Open Identity Summit, 2019)

LIGHTest. - Heiko Roßnagel; Sven Wagner (Datenschutz und Datensicherheit, 2019)

Smart Assistants in IT Security - An Approach to Addressing the Challenge by Leveraging Assistants' Specific Features. - Michael Kubach; Heiko Roßnagel (HCI (30), 2020)

Self-sovereign and Decentralized identity as the future of identity management? - Michael Kubach; Christian H. Schunck; Rachelle Sellung; Heiko Roßnagel (Open Identity Summit, 2020)

On the diffusion of security behaviours. - Sebastian Kurowski; Heiko Roßnagel (Open Identity Summit, 2020)

A Human Digital Twin as Building Block of Open Identity Management for the Internet of Things. - Jan Zibuschka; Christopher Ruff; Andrea Horch; Heiko Roßnagel (Open Identity Summit, 2020)

A lightweight trust management infrastructure for self-sovereign identity. - Michael Kubach; Heiko Roßnagel (Open Identity Summit, 2021)

Conducting a Usability Evaluation of Decentralized Identity Management Solutions. - Alina Khayretdinova; Michael Kubach; Rachelle Sellung; Heiko Roßnagel (Selbstbestimmung, Privatheit und Datenschutz, 2022)

Online tool for matching company demands with IT-security offerings. - Nicolas Fähnrich; Heiko Roßnagel (Open Identity Summit, 2022)

MANTRA: A Graph-based Unified Information Aggregation Foundation for Enhancing Cybersecurity Management in Critical Infrastructures. - Philipp Fuxen; Rudolf Hackenberg; Michael P. Heinl; Mirko Ross; Heiko Roßnagel; Christian H. Schunck; Raphael Yahalom (Open Identity Summit, 2023)

Decentralized Global Trust Registry Platform for Trust Discovery and Verification of e-Health Credentials Using TRAIN: COVID-19 Certificate Use Case. - Isaac Henderson Johnson Jeyakumar; John Walker; Heiko Roßnagel (STM, 2023)

Auf der Suche nach ökonomisch tragfähigen Identitäts-Ökosystemen: Gibt es einen Markt für digitale IDs? - Michael Kubach; Heiko Roßnagel (HMD Prax. Wirtsch., 2023)

Economically Viable Identity Ecosystems: Value Capture and Market Strategies. - Michael Kubach; Heiko Roßnagel (Open Identity Summit, 2024)

Tracking or being tracked: How much do self-trackers care about their data's privacy? - Alice Floris; Stefanie Astfalk; Rachelle Sellung; Heiko Roßnagel (Sicherheit, 2024)

How can Design Thinking benefit Cybersecurity?: Insights from Don Normanâ€™s The Design of Everyday Things. - Mrudula Arunkumar; Christian H. Schunck; Salma Ben Mamia; Heiko Roßnagel (Open Identity Summit, 2025)

Security awareness versus secure behaviour: A bibliometric study of the state of research on human factors in IT Security. - Salma Ben Mamia; Christian H. Schunck; Mrudula Arunkumar; Heiko Roßnagel (Open Identity Summit, 2025)