Ruben Wolf  personal homepage

Research Interests

• Cloud security
• Usability and security aspects in identity and access management
• Access control mechanisms
• Password management
• Security policies und policy languages

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Projects

• OmniCloud – Secure and flexible use of arbitrary cloud storages. Web site: www.omnicloud.sit.fraunhofer.de. OmniCloud summary (PDF).
• Premium-Services – Pricing Services Out-of-the-Box for Online Vendors. Web site: www.premium-services.de
• iMobileSitter – Management of passwords on mobile devices. Web site: www.imobilesitter.com
• PasswordSitter – Web-based password management: user friendly, secure and flexible. Web site: www.passwordsitter.de
• ORKA – Organizational Control Architecture. From static rights management to dynamic organizational control. Web site: www.organisatorische-kontrolle.de
• SicAri – A security architecture and its tools for ubiquitous internet usage. Project details, project handout (PDF).

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Awards

• German IT Security Award 2012: Michael Herfert, Thomas Kunz, Rene Palige, and Ruben Wolf win the 1st place in the German IT Security Award 2012 with their contribution "OmniCloud – Secure and Flexible Cloud Backup". More information about the German IT Security Award.

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Selected Publications

• Thomas Kunz, Ruben Wolf: OmniCloud – Sichere und flexible Nutzung von Cloud-Speicherdiensten. Whitepaper, November 2012.
• Ruben Wolf, Frederik Franke, Markus Schneider: iMobileSitter: Sicheres Passwortmanagement in Zeiten von digitalen Schlüsseldiensten und Advanced Persistent Threats. <kes> Special Mobile Security, June 2012
• Katja Czajkowski, Markus Schneider, Ruben Wolf, York Yannikos. Untersuchung von reputationsbasierten Schutzmechanismen gegen Malware-Angriffe in Browsern. SIT Technical Reports SIT-TR-2012-002, ISSN 2192-8169, Fraunhofer SIT, Germany, March 2012.
• Christopher Alm, Ruben Wolf, Joachim Posegga. The OPL Access Control Policy Language. 6th International Conference TrustBus 2009, Springer LNCS-Series Vol. 5695, pp. 138 –148, 2009.
• Christopher Alm, Michael Drouineaud, Ute Faltin, Karsten Sohr, Ruben Wolf. A Classification Framework Designed for Advanced Role-based Access Control Models and Mechanisms. TZI Technical Report No. 51, TZI, University of Bremen, Germany, May 2009.
• Christopher Alm, Ruben Wolf. The Definition of The OPL Access Control Policy Language. Technical Report, Number MIP-0902, Department of Informatics and Mathematics, University of Passau, Germany, February 2009.
• Ruben Wolf, Markus Schneider. A Note on the Security of Code Memo. In Proceedings of the 4th International Conference on Mobile Technology, Applications and Systems (Mobility 2007), Singapore, September 2007, ACM Press.
• Jan Peters, Roland Rieke, Taufiq Rochaeli, Björn Steinemann, Ruben Wolf. A Holistic Approach to Security Policies - Policy Distribution with XACML over COPS. In Proceedings of the Second International Workshop on Views On Designing Complex Architectures (VODCA 2006). Bertinoro, Italy, September 2006.
• Andreas U. Schmidt, Omid Tafreschi, Ruben Wolf: Interoperability Challenges for DRM Systems, International Workshop for Technology, Economy, Social and Legal Aspects of Virtual Goods 2004, Technical University Ilmenau, Germany, 27. – 29. May 2004.
• Ruben Wolf, Markus Schneider: Context-dependent Access Control for Web-based Collaboration Environments with Role-based Approach, The Second International Workshop on Mathematical Methods, Models and Architectures for Computer Networks Security (MMM-ACNS 2003), St. Petersburg, Russia, September 20 – 24, 2003. Springer LNCS-Series Vol. 2776, 2003.
• Ruben Wolf, Thomas Keinz, Markus Schneider: A Model for Context-dependent Access Control for Web-based Services with Role-based Approach, In proceedings of the 6th International Workshop on Network-Based Information Systems (NBiS 2003), Prague, Czech Republic, September 1 - 5, 2003, IEEE Computer Society Press, 2003.
• Michael Zapf, Rolf Reinema, Ruben Wolf, Sven Türpe: UNITE - An Agent-Oriented Teamwork Environment, 4th International Workshop Mobile Agents for Telecommunication Applications (MATA 2002), Barcelona, Spain, October 23 - 24, 2002, Springer Verlag, LNCS 2521, 2002.