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Question 351 - CISA discussion

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A system administrator recently informed the IS auditor about the occurrence of several unsuccessful intrusion attempts from outside the organization. Which of the following is MOST effective in detecting such an intrusion?

A.
Using smart cards with one-time passwords
Answers
A.
Using smart cards with one-time passwords
B.
Periodically reviewing log files
Answers
B.
Periodically reviewing log files
C.
Configuring the router as a firewall
Answers
C.
Configuring the router as a firewall
D.
Installing biometrics-based authentication
Answers
D.
Installing biometrics-based authentication
Suggested answer: B

Explanation:

Periodically reviewing log files is the most effective way to detect intrusion attempts from outside the organization, as they can provide evidence of unauthorized access attempts, source IP addresses, timestamps and other relevant information. Using smart cards with one-time passwords or installing biometrics-based authentication can prevent unauthorized access, but not detect it. Configuring the router as a firewall can block unwanted traffic, but not log it.Reference:ISACA, CISA Review Manual, 27th Edition, 2018, page 361

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asked 18/09/2024
Jonathan Moreno
29 questions
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