The answer is the risk that biometric data cannot be revoked or changed if compromised. This is the most significant risk because biometric traits like fingerprints are immutable and permanently tied to the individual; unlike a password or token, a compromised fingerprint template cannot be reset, leaving that authentication factor permanently insecure for the user across all systems. On the CISSP exam, this concept tests your understanding of the biometric non-revocable risk within domain 3 (Security Architecture and Engineering), often appearing as a trap where candidates focus on false acceptance rates or privacy concerns instead of the fundamental revocation failure. A common memory tip is to think of biometrics as a “forever key”—once stolen, you cannot change your finger, so the lock is broken for life.
CISSP Identity and Access Management Practice Question
This CISSP practice question tests your understanding of identity and access management. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A healthcare organization implements a policy requiring all employees to use biometric fingerprint scanners to access patient records. Which of the following is the MOST significant risk associated with this authentication method?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Biometric data cannot be revoked or changed if compromised
Biometric data, such as fingerprint templates, is immutable and permanently tied to the individual. Once compromised, the user cannot simply 'reset' their fingerprint like a password, rendering the authentication factor permanently insecure for that user across all systems where it is used. This non-repudiation and revocation failure represents the most significant long-term risk to the organization's identity management infrastructure.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Biometric data cannot be revoked or changed if compromised
Why this is correct
Biometric traits are permanent; once stolen, they cannot be replaced.
Related concept
Read the scenario before looking for a memorised answer.
✗
High false acceptance rate leading to unauthorized access
Why it's wrong here
Modern fingerprint scanners have very low FAR.
✗
Low user acceptance due to privacy concerns
Why it's wrong here
Healthcare workers generally accept biometrics for security reasons.
✗
Increased login time compared to password authentication
Why it's wrong here
Fingerprint scanning is usually faster than typing a password.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates focus on the immediate operational risks (FAR, user acceptance, or speed) rather than the fundamental, long-term security property of biometrics: the inability to revoke or change the credential, which is the most critical risk in identity and access management.
Detailed technical explanation
How to think about this question
Biometric templates are stored as mathematical representations (e.g., minutiae points for fingerprints) rather than raw images. If an attacker exfiltrates the template database, they can reconstruct a synthetic fingerprint to spoof the scanner, and the user cannot be issued a new fingerprint. This is fundamentally different from password or token-based systems, where the credential can be rotated or revoked via a directory service (e.g., LDAP or RADIUS). In real-world breaches (e.g., the 2015 U.S. Office of Personnel Management breach), compromised biometric data forced affected individuals to permanently lose the ability to use that biometric for authentication.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A security team runs a vulnerability scan on a web application and discovers an unpatched SQL injection flaw. The team prioritises remediation by CVSS score — critical flaws are patched within 24 hours, high within 7 days. Questions like this test whether you understand vulnerability management processes, scanning tools, and remediation prioritisation.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this CISSP question in full detail.
Identity and Access Management — This question tests Identity and Access Management — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Biometric data cannot be revoked or changed if compromised — Biometric data, such as fingerprint templates, is immutable and permanently tied to the individual. Once compromised, the user cannot simply 'reset' their fingerprint like a password, rendering the authentication factor permanently insecure for that user across all systems where it is used. This non-repudiation and revocation failure represents the most significant long-term risk to the organization's identity management infrastructure.
What should I do if I get this CISSP question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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