I am holding dual appointments as a Reader in Mathematics at the Information Security Group in the Department of Mathematics at Royal Holloway, University of London, UK and as a full professor at the Norwegian Information Security Laboratory at Gjøvik University College, Norway.

I hold a visiting Guest Professorship at the Department of Computer Science at Harbin Institute of Technology, China and as an adjunct professor in the Executive Master of Information Assurance Program at Virginia Tech University, Alexandria, VA, USA.

In addition, I am senior scientist with the security technology department of Fraunhofer-IGD, a German national laboratory of the Fraunhofer Society.

My principal research interests include infomation assurance and security, applied combinatorics and graph theory, network and distributed systems security, and models for critical infrastructure protection.

Editorial Work

I was editor-in-chief of the journal Computers & Security, published by Elsevier. I am also a member of the editorial board of the journal Information Security Technical Report, also published by Elsevier and associate editor of th Journal of Information Hiding and Multimedia Signal Processing.


IEEE Task Force on Information Assurance

I am a member of the IEEE Task Force on Information Assurance's executive committee. The task force sponsors and co-sponsors a series of workshops in the area of information assurance and collaborates with both IEEE societies, technical committees, and task forces on issues related to information assurance as well as with the U.S. National Information Assurance Partnership (NIAP) and the IEEE Information Assurance Standards Committee on standardization activities.

For a general overview of the IEEE activities in the area of information assurance, please visit the IA Activities Web Site

The IEEE International Workshops on Information Assurance are sponsored by the task force in collaboration with the ACM Special Interest Group on Security, Audit, And Control (SIGSAC).

The IEEE International Workshops on Critical Infrastructure Protection are also sponsored by the task force, in cooperation with the GI Special Interest Group on Critical Infrastructure Protection(FG KRITIS).


The GI FG KRITIS also held a symposium on CIP/CIIP (CIP Europe) as part of the 35th annual meeting of the Gesellschaft für Informatik.
These are now subsumed by the joint ITCIP/CRITIS workshops co-sponsored by the IEEE TFIA. The first CRITIS workshop was held on Samos Island, Greece in 2006, the second in Malaga, Spain in 2007, and the third workshop will be held in Rome, Italy in 2008.

The GI special interest group SIDAR is holding annual workshops on the detection of intrusions and malware & vulnerability assessment, (DIMVA 2007) was held in Lucerne, Switzerland July 12-13, 2007.

These workshops are also held in cooperation with the IEEE Task Force on Information Assurance.


Another workshop sponsored by GI SIDAR where I am serving on the program committee are the GI Conferences on IT Incident Management and Forensics. The second and third IMF were held in October 2006 and September 2007, respectively; both took place in Stuttgart, Germany.


I also served on the program committee of the 2nd IEEE Workshop on Dependability and Security in Sensor Networks and Systems in Columbia, Maryland, USA (DSSNS 2006); this workshop was co-sponsored by the IEEE and NASA and took place.


The SMC Society of the IEEE and the United States National Security Agency held the 7th Annual IEEE Information Assurance Workshop at the United States Military Academy West Point. The 8th edition of this workshop will be held in the second half of June 2007.

For further program committee activities, please refer to the CV page.

IEEE Information Assurance Standards Committee

I also serve on the IEEE Information Assurance Standards Committee (IASC).

The IASC held its first standards workshop on December 4-5, 2003 graciously hosted by NIST in Gaithersburg, MD.



In addition to activities within the IEEE, I also maintain a more passive role in several other professional organizations:

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