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Question 1092 - CISA discussion

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An organization is disposing of removable onsite media which contains sensitive information. Which of the following is the MOST effective method to prevent disclosure of sensitive data?

A.
Encrypting and destroying keys
Answers
A.
Encrypting and destroying keys
B.
Machine shredding
Answers
B.
Machine shredding
C.
Software formatting
Answers
C.
Software formatting
D.
Wiping and rewriting three times
Answers
D.
Wiping and rewriting three times
Suggested answer: B

Explanation:

Machine shredding is the process of using a shredding machine to physically destroy the media and make the data unrecoverable.This is more effective than software formatting, which only erases the data logically and may leave traces that can be recovered by special tools1. Encrypting and destroying keys may prevent unauthorized access to the data, but it does not erase the data from the media.Wiping and rewriting three times is unnecessary and may reduce the lifespan of the media, especially for solid state drives2.Machine shredding is also recommended by various security standards and guidelines for media disposal345.

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asked 18/09/2024
Islam Fadel
32 questions
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