Security monitor of system runs software simulator in parallel

Details Security monitor of system runs software simulator in parallel Security monitor of system runs software simulator in parallel

2006-01-10

2006-01-10

Rodriguez, Paul L. (Department: 2123)

Data processing: structural design, modeling, simulation, and em

Simulating electronic device or electrical system

Computer or peripheral device

C703S002000, C703S022000, C713S152000, C713S152000

Reexamination Certificate

active

06985845

ABSTRACT:
A monitoring system monitors a system that has multiple devices that perform respective primary tasks. For the purpose of the monitoring, each device has a finite state machine (FSM) with stochastic non-periodic behavior. The monitoring system simulates in software the behavior of the FSM's. A discrepancy between the states assumed by the FSM's after each time step and the states assumed in the simulation in each time step indicates a failure or a breach of the network's integrity. Hacking such as primary system is practically impossible without being detected. Each device comprises computational resources. In order to reduce the computational environment available to a virus, the idle time of the resources is absorbed by dynamically increasing the complexity of the FSM's.

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