Abstract:
A method of defining priority of a number of data packets within a queue includes generating a policy. The policy defines a first multiplexed channel of a plurality of multiplexed channels. The first multiplexed channel having a first priority. The policy also defines a second multiplexed channel of the plurality of multiplexed channels. The second multiplexed channel having a second priority. The first priority is defined as being of a higher priority relative to the second priority. The method further includes receiving the number of data packets over the plurality of multiplexed channels associated with a session based at least in part on the policy.
Abstract:
A system detects an attack on the computer system. The system identifies the attack as polymorphic, capable of modifying itself for every instance of execution of the attack. The modification of the attack is utilized to defeat detection of the attack. In one embodiment, the system determines generation of an effective signature of the attack has failed. The signature is utilized to prevent execution of the attack. The system then adjusts access to an interface to prevent further damage caused to the computer system by the attack.
Abstract:
A system receives information from at least one security interceptor associated with at least one computer system. The information identifies details associated with a traffic flow in a computer system of the computer networking environment. The system determines a probability that an attack on the computer system is in progress based on a probabilistic link provided by the information. The probabilistic link is determined by attack information associated with previous attacks. Based on the information provided by the at least one security interceptor, the system generates a signature utilized to prevent a similar attack on the computer system.
Abstract:
A system defines at least one key event to be monitored by at least one agent, and creates a graphical model for the at least one key event. The system observes the at least one key event. The system infers a degree of attack on the computer system based on an observation of the at least one key event in conjunction with a result of an effect the at least one key event has on the graphical model. The system then adjusts a security policy based on an output of the graphical model.