In order to defend themselves, organizations with information security departments often do port scans, enumeration exercises, and password cracking on their own systems. Both official and unauthorized exercises expose people to danger and open the door to exploitation. What is the benefit of port scanning? Why would a hacker go to the trouble of scanning a system or network? To what end do systems and networks need to be scanned by security analysts?

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter14: System Administration
Section: Chapter Questions
Problem 8RQ
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In order to defend themselves, organizations with information security departments often do port scans, enumeration exercises, and password cracking on their own systems. Both official and unauthorized exercises expose people to danger and open the door to exploitation.

What is the benefit of port scanning?
Why would a hacker go to the trouble of scanning a system or network?
To what end do systems and networks need to be scanned by security analysts?

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