Most Cost-Effective Way to Prevent Client Data Theft from Decommissioned Laptops?

Explain the security implications of proper hardware, software, and data asset management. Given a scenario, select mitigation techniques or controls to secure an enterprise environment.
Answer Correct answer: A — Wiping overwrites the drive so client data cannot be recovered, while avoiding the higher cost of physical shredding and allowing laptop reuse.

A company is concerned about theft of client data from decommissioned laptops. Which of the following is the most cost-effective method to decrease this risk?

  1. Wiping Correct Answer
  2. Recycling
  3. Shredding
  4. Deletion

Community Votes

A
80%
C
20%

80% of anonymous learners picked answer A. Votes are pick records left by other test-takers — they are not the verified answer.

Community Insight

Tests selecting the most cost-effective data sanitization control for decommissioned hardware, where the trap is favoring shredding's stronger security over the cost qualifier.

Decommissioned laptops can leak client data, so this page establishes wiping (A) as the most cost-effective sanitization method to reduce theft risk. It compares wiping against shredding, recycling, and simple deletion using CompTIA Security+ doctrine.

Choosing shredding (C) because physical destruction sounds most secure, ignoring that the question asks for the most cost-effective method and shredding is pricier than software wiping.

Community Discussion (4 comments)

LouWill 👍 6 Selected: A
Wiping. You can simply use a wiping tool on your computer. It is more cost affective than using a shredder which would have been my second choice.
Exam_Prep221 👍 1 Selected: A
Correct Answer: Wiping: Wiping a hard drive involves securely overwriting all data on the drive using specialized software tools. It is cost-effective, especially when compared to physical destruction methods like shredding, and ensures data cannot be easily recovered. This method is practical for decommissioned laptops, as it allows for the reuse or resale of the hardware while safeguarding client data. Why not the others? B. Recycling: Recycling addresses environmental concerns but does not inherently protect against data theft unless data is securely wiped first. C. Shredding: Shredding physically destroys the hard drive, making it impossible to reuse. While secure, it is not cost-effective compared to wiping, as it wastes the hardware. D. Deletion: Deletion merely removes file pointers but does not actually erase the data. It can be easily recovered using basic data recovery tools.
Fourgehan 👍 1 Selected: A
Wiping is the process of securely erasing all data on a storage device by overwriting it with random data multiple times. It ensures that the data cannot be recovered using standard recovery tools. Wiping is a cost-effective solution for decommissioned laptops because it allows the hardware to be reused or resold while protecting sensitive client data
Cocopqr 👍 2 Selected: C
Shredding physically destroys the hard drives, making data recovery impossible. This is the most effective method to prevent data theft from decommissioned laptops. While wiping and deletion can remove data, determined attackers may still be able to recover it under certain circumstances. Shredding is the most secure and cost-effective method for complete data destruction

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Expert Analysis

Why the Answer Is Correct

Wiping (A) uses software to overwrite the entire drive with random or zero patterns, so client data cannot be reconstructed with standard recovery tools. It is the most cost-effective because it requires no special destruction equipment, can be performed in-house on decommissioned laptops, and leaves hardware reusable or resalable. CompTIA Security+ doctrine separates sanitization (wiping) from physical destruction (shredding) and asks for the control that reduces risk at the lowest cost. Several community members reached the same conclusion, with Exam_Prep221 noting that wiping is cost-effective and allows for hardware reuse or resale while safeguarding client data. LouWill, who picked wiping, said "It is more cost affective than using a shredder which would have been my second choice." Thus A directly satisfies the "most cost-effective" qualifier.

Why the Other Options Are Wrong

Recycling (B) does not sanitize the drive; a recycler may resell or refurbish the laptop with client data still present, so risk remains. Shredding (C) physically destroys drives and is very secure, but it needs specialized equipment, incurs per-device cost, and eliminates any resale value, so it fails the "most cost-effective" test. Deletion (D) only removes file system references; forensic tools can recover the data easily, so it barely decreases the risk at all. Cocopqr argued for shredding as "most secure and cost-effective" but conflated maximum security with cost-effectiveness, which the question explicitly prioritizes. The question asks to decrease risk cost-effectively, not to maximize destruction.

Community Comment Notes

The commenters split 80/20 for wiping over shredding. LouWill called wiping "more cost affective than using a shredder" and picked A. Fourgehan described wiping as a "cost-effective solution for decommissioned laptops because it allows the hardware to be reused or resold." Exam_Prep221 also chose A and emphasized preventing recoverability. Cocopqr's shredding argument (C) is technically sound on security but misses the cost comparison; no commenter defended recycling or plain deletion. This consensus aligns with the official sanitization tier: wiping is the proportionate, lower-cost control.

Official Reference

Exam Strategy

Watch for qualifiers like "most cost-effective"—they force you to compare cost per device rather than just security strength. Software wiping is cheaper than shredding because it needs no specialized equipment and keeps the laptop reusable, so it wins when cost is the deciding factor.

Frequently Asked Questions

Why is wiping more cost-effective than shredding decommissioned laptops?

Wiping uses low-cost or free software to overwrite data, while shredding requires specialized equipment, labor, and destroys the drive's resale value.

Can deleted files on a decommissioned laptop still be recovered?

Yes—simple deletion removes only file references, so recovery tools can restore client data; wiping overwrites the actual data to prevent recovery.

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