Which of the following security threats is the cause of the greatest amount of data loss?

Question

BlackTom AI · Accepted Answer

Human (user) error—accidental deletion, misconfiguration, or sending data to the wrong recipient—is the single largest cause of data loss in most organizations.

1) Relevant knowledge points and concepts
- Types of data-loss causes: user error, unauthorized access, hackers (targeted attacks), and malware (viruses, ransomware).
- “User error” includes accidental deletion, improper backup procedures, misconfiguring cloud storage or permissions, and human mistakes in handling or transferring files.
- Data loss impact is measured by frequency and scope: how often incidents occur and how much data each incident removes or exposes.

2) Step-by-step reasoning
- Frequency: Human mistakes happen constantly across every role and system. Every day many users interact with data, so small-probability mistakes accumulate into many incidents.
- Scope: A single misconfiguration (e.g., an open or incorrectly permissioned cloud bucket) or accidental bulk deletion can remove or expose very large volumes of data at once.
- Comparisons: Targeted hackers and sophisticated malware can cause severe breaches but are less frequent than routine human mistakes. Unauthorized access is often the result of credentials or misconfiguration—again tied back to human actions.
- Defensive controls (backups, monitoring, patching) can reduce damage from malware/hackers, but human-process failures (missing backups, wrong restore) often bypass these controls.

3) Calculations
- No numeric calculation required; the conclusion is driven by frequency × scope reasoning rather than arithmetic.

4) Why the correct answer is correct
- Because user errors occur far more often than successful large-scale attacks and can directly cause large volumes of data to be lost or exposed (e.g., deleted datasets, misconfigured storage, lost backups), they account for the greatest aggregate amount of data loss.

5) Why other options are less correct
- a. Unauthorised access: serious but less frequent and often detected/contained.
- b. Hackers: high-impact but lower frequency; many attacks are blocked.
- d. Malware: damaging, but backups and endpoint protection mitigate many incidents; still less common overall than human mistakes.

6) Conclusion
- Therefore the correct choice is c. User error, which matches the provided answer.

Which of the following security threats is the cause of the greatest amount of data loss?单项选择题

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