Security Scanner Limitations

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Q: Alan is a penetration tester. Responsibility for a project has been given to him; he must employ penetration testing on his company’s network. Running the test from home after downloading every security scanner he could find. Despite knowing the IP range of all systems and the exact network configuration, Alan is not able to discover any useful results from these security scanners. Why not?


Answer is complete. Select more than one answer if applicable.


a. Security scanners are not designed for testing through a firewall.

b. Security scanners cannot perform a vulnerability linkage.

c. Security scanners are only as smart as their database and cannot discover unpublished vulnerabilities.

d. Security scanners are as intelligent as their database and can discover unpublished vulnerabilities.

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