Why are unintentional insiders considered a security risk?

Question

BlackTom AI · Accepted Answer

Unintentional insiders have authorised access but make mistakes that compromise confidentiality, integrity, or availability of organisational assets.

1) Relevant knowledge points and concepts
- Definition: unintentional insiders are users (employees, contractors, partners) who do not intend harm but create security incidents through error or negligence.
- CIA triad: security incidents can affect Confidentiality (data disclosure), Integrity (unauthorised modification), and Availability (data loss or interruption).
- Common causes: phishing clicks, misdirected emails, poor configuration, lost/stolen devices, weak credential handling.

2) Step‑by‑step reasoning
- Step 1: Unintentional insiders typically hold legitimate access to systems and data as part of their role.
- Step 2: When they commit an error (e.g., click a malicious link, attach the wrong file, set improper permissions), that action can expose sensitive data, change or corrupt records, or remove access to services.
- Step 3: Because their actions interact directly with authorised systems, the consequences can be significant — even if there was no malicious intent.
- Step 4: Therefore, they represent a security risk through accidental disclosure, modification, or loss of organisational data or assets.

3) Intermediate steps / calculations
- No numerical calculations are required. Logical progression: authorised access + human error → potential breach of confidentiality/integrity/availability.

4) Why the correct answer is correct
- Option (a) explicitly describes the mechanism by which unintentional insiders cause risk: accidental disclosure, modification, or loss. This matches the definition and real‑world incident patterns where human error is a leading cause of breaches.

5) Why other options are incorrect
- (b) Suggests coordination with external attackers — that describes a malicious insider or collusion, not an unintentional insider.
- (c) Describes intentionally exploiting vulnerabilities, which is deliberate wrongdoing (malicious insider), not accidental behaviour.
- (d) Claims they are not a risk because they lack access — incorrect, since unintentional insiders usually have authorised access and that access is precisely why mistakes can be harmful.

6) Conclusion
All reasoning supports choice (a): Their actions can lead to accidental disclosure, modification, or loss of organisational data or assets. This matches the provided correct answer.

Why are unintentional insiders considered a security risk?单项选择题

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