Most of the security papers we looked at this week seemed to discuss anomaly detection, I am not sure if this is just the new fad in Network Security, but it seems like Kalman Filtering does a good job (at least in detecting denial of service attacks) while the newly presented ASTUTE protocol seems to take note of other anomalies in the system. Of course, given the nature of Network Security, there will always be a need for new anomaly detection systems as attackers work out how to circumvent the current systems.
The paper I enjoyed the most was a paper that attempted to increase fairness by using a credit system. I am interested in the ideas of incentives to work fairly, while the security nature of the system was focused on making sure people don't cheat the system. I think that it's a very interesting dilemma, since there usually is no incentive to fairly share the network, but integrating it into the system so that people have a greater incentive (and aren't forced) to share seems like an interesting area of research. Overall, I feel that Network Security has a lot of potential, but I'm not sure how much I would enjoy the cat and mouse view of research. I might just focus on wireless networks for now.
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