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The Influence of Secrecy on the Communication Structure of Covert Networks

CentER Discussion Paper No. 2008-23

18 Pages Posted: 21 Feb 2008  

Roy H. A. Lindelauf

Military Operational Science

Peter Borm

Tilburg University - Center for Economic Research (CentER); Tilburg University - Department of Econometrics & Operations Research

Herbert Hamers

Tilburg University - Center for Economic Research (CentER); Tilburg University - Department of Econometrics & Operations Research

Date Written: February 2008

Abstract

In order to be able to devise successful strategies for destabilizing terrorist organizations it is vital to recognize and understand their structural properties. This paper deals with the optimal communication structure of terrorist organizations when considering the tradeoff between secrecy and operational efficiency. We use elements from game theory and graph theory to determine the 'optimal' communication structure a covert network should adopt. Every covert organization faces the constant dilemma of staying secret and ensuring the necessary coordination between its members. For several different secrecy and information scenarios this dilemma is modeled as a game theoretic bargaining problem over the set of connected graphs of given order. Assuming uniform exposure probability of individuals in the network we show that the Nash bargaining solution corresponds to either a network with a central individual (the star graph) or an all-to-all network (the complete graph) depending on the link detection probability, which is the probability that communication between individuals will be detected. If the probability that an individual is exposed as member of the network depends on the information hierarchy determined by the structure of the graph, the Nash bargaining solution corresponds to cellular-like networks.

Keywords: covert networks, terrorist networks, Nash bargaining, game theory, information, secrecy

JEL Classification: C50, C78

Suggested Citation

Lindelauf, Roy H. A. and Borm, Peter and Hamers, Herbert, The Influence of Secrecy on the Communication Structure of Covert Networks (February 2008). CentER Discussion Paper No. 2008-23. Available at SSRN: https://ssrn.com/abstract=1096057 or http://dx.doi.org/10.2139/ssrn.1096057

Roy H. A. Lindelauf (Contact Author)

Military Operational Science ( email )

Kasteelplein 10
Breda, 4811 XC
Netherlands

Peter E. M. Borm

Tilburg University - Center for Economic Research (CentER) ( email )

P.O. Box 90153
Tilburg, 5000 LE
Netherlands

Tilburg University - Department of Econometrics & Operations Research

Tilburg, 5000 LE
Netherlands

Herbert Hamers

Tilburg University - Center for Economic Research (CentER) ( email )

P.O. Box 90153
Tilburg, 5000 LE
Netherlands
+31 13 4666 2660 (Phone)

Tilburg University - Department of Econometrics & Operations Research

Tilburg, 5000 LE
Netherlands

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