Help please! this is for security and ethics class its a computer class

It seems obvious that Miller is breaking at least a few laws in his attempt at revenge. Suppose that when his scanning efforts had been detected, SLS not only added his IP address to the list of sites banned from connecting to the SLS network, the system also triggered a response to seek out his computer and delete key files on it to disable his operating system.

a.Would such an action by SLS be ethical? Do you think that action would be legal?

b.Suppose instead that Miller had written a routine to constantly change his assigned IP address to other addresses used by his ISP. If the SLS intrusion system determined what Miller was doing and then added the entire range of ISP addresses to the banned list, thus stopping any user of the ISP from connecting to the SLS network, would SLSs action be ethical?

c.What if SLS were part of an industry consortium that shared IP addresses flagged by its IDPS, and all companies in the group blocked all of the ISPs users for 10 minutes? These users would be blocked from accessing perhaps hundreds of company networks. Would that be an ethical response by members of the consortium? What if these users were blocked for 24 hours?