Abstract
Managed security services (MSS) are becoming increasingly popular today. In MSS, enterprises contract a security firm such as Symantec or IBM to manage security of their enterprise network. MSS vendors thus have a small pool of cybersecurity analysts who must monitor many different alerts. In this paper, we study the problem of allocating cybersecurity analysts to alerts generated by intrusion detection systems and other security software. In particular, given an enterprise network (or set of enterprise networks) and information about the value of assets stored at a node (e.g. computer, router) in the network, together with probabilities of compromising a neighbor of a compromised vertex, we show that annotated probabilistic temporal (
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