Authors
Marios Mavronicolas, Vicky Papadopoulou, Anna Philippou, Paul Spirakis
Publication date
2008/7
Journal
Algorithmica
Volume
51
Pages
315-341
Publisher
Springer-Verlag
Description
Consider an information network with threats called attackers; each attacker uses a probability distribution to choose a node of the network to damage. Opponent to the attackers is a protector entity called defender; the defender scans and cleans from attacks some part of the network (in particular, a link), which it chooses independently using its own probability distribution. Each attacker wishes to maximize the probability of escaping its cleaning by the defender; towards a conflicting objective, the defender aims at maximizing the expected number of attackers it catches.
We model this network security scenario as a non-cooperative strategic game on graphs. We are interested in its associated Nash equilibria, where no network entity can unilaterally increase its local objective. We obtain the following results:
- • We obtain an algebraic characterization of …
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M Mavronicolas, V Papadopoulou, A Philippou… - Algorithmica, 2008