Identify and critique (provide a technical analysis) one unique countermeasure for each of the stated systems to mitigate (more likely reduce) the ability of an adversary to perform scanning. Also, to support your analysis, provide one reference (and in-text citation) for each countermeasure, using the Cite Them Right referencing standard. Therefore, a total of three countermeasures, one for each type of system:
Windows domain controllersLinux serverdesktop computers