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12264161
Game Theory inInfrastructure Security (Incomplete)
Descrição
Bier, Vicki M., and Sinan Tas. "Game theory in infrastructure security." WIT Transactions on State-of-the-art in Science and Engineering 54 (2012).
Sem etiquetas
critical infrastructure protection
Mapa Mental por
Iano Newb
, atualizado more than 1 year ago
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Criado por
Iano Newb
mais de 6 anos atrás
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Game Theory inInfrastructure Security (Incomplete)
classification
payoffs
zero-sum games
at least one equilibrium
one agent's loss, other agent's gain
non-zero-sum games
some don't have equilibrium
constant-sum game
sum of agent's payoff is same
timing of play
simultaneous games
agents choose their actions without knowing the actions of the other players
In Infrastructure Security
decisions that can be changed easily and rapidly may be modeled as simultaneous games
sequential games
in economics
leader-follower games
in security
attacker-defender (AD) games
defender-attacker (DA) games
agents act in certain order
the leader has a first-mover advantage (choices of the leader can limit the options of follower)
In Infrastructure Security
decisions about observable capital investments are typically modeled as sequential games
how much players know
complete information
payoffs of each combination are common knowledge
incomplete information
not common knowledge
Bayesian game
perfect information
all players know all past moves
imperfect information
at least one player does not know all past moves
concepts
equilibrium
pure
each agent has a unique and deterministic equilibrium
mixed
at least one agent is assumed to choose probabilistically among multiple equilibrium strategies
is any set of strategies where no player has an incentive to change it's strategy, if all players continue to play their equilibrium strategies
Game Theory
assumes that each player wishes to find its best strategy
this assumption makes possible for an analyst to make predictions about which strategies players would be likely to choose
2. game-theoretic models
3. limitations of game-theoretic models
Rationality of the agents
Common knowledge
Modeling challenges
Excessive conservatism
2.1 Simultaneous AD games
2.2 Sequential AD games
2.3 Sequential AD games
2.4 Sequential DAD games
2.5 Simultaneous DD games
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