Port scanning can be used by attackers as reconnaissance to find open ports within a network. This allows hackers to spot out vulnerabilities on certain computer. Admins use port scanning to verify policies and improve their overall security. Overall, port scanning is mainly used to find open ports.
A port scan can be conducted ethically by the admin to ensure all computers in the network comply with the organizations policies and remain secure. IT professionals use this method to also diagnose network issues as well as detecting vulnerabilities.
A scan is considered malicious when the intent is to reveal vulnerabilities in the target. Although there is ambiguity as to whether port scanning is good or bad. Organizations assign individuals from within, certain systems which those individuals are allowed to scan. The organizations policies also dictate what measures are taken against those who attack other computers from within the network.
Also, Answer:
Post 2: Read this whitepaper from the SANS Institute
(Links to an external site.)
. How might a port scan be conducted ethically? What might qualify a port scan as a malicious activity?
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