This item is an example of a topic that should generate interest at SIS. IP traceback is the technical ability to ascertain the source of a message sent over the Internet.
At heart is the tradeoff between the need for security and the desire for privacy (in this case, actually, anonymity) in Internet communications. In certain cases, such as speech in a repressive regime, it is easy to make the case for anonymity. In other cases, anonymity seems to be a way to enable socially irresponsible behavior because there is little consequence to the individual. Where does this fall?