Quick Answer
The answer is an unusual location, as this factor most directly signals a deviation from a user’s established behavioral baseline, which is the core trigger for step-up authentication in risk-based authentication (RBA). RBA continuously evaluates contextual factors like device, time, and geolocation to assign a risk score; an unfamiliar location elevates that score because it suggests potential credential theft or account compromise, prompting the system to demand additional verification—such as a one-time passcode or biometric—before granting access to sensitive data. On the CISA exam, this concept tests your understanding of how dynamic access controls mitigate unauthorized access, often appearing in scenario-based questions where you must identify the highest-risk indicator among options like time of day or IP address. A common trap is choosing “accessing data from a new device” instead, but location is more anomalous because it implies physical travel or proxy use, making it a stronger risk signal. Memory tip: think “Loco for Step-Up”—an unusual Location is the most likely trigger.
This CISA practice question tests your understanding of protection of information assets. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
An organization uses risk-based authentication (RBA) for user access. Which of the following factors would MOST likely trigger a step-up authentication?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
User logging in from a known device.
Why wrong: Known devices are trusted and do not trigger step-up.
User accessing sensitive data from an unusual location.
Unusual location indicates higher risk and may trigger step-up.
User entering correct password.
Why wrong: Correct password alone does not trigger step-up.
User logging in during business hours.
Why wrong: Normal business hours are not a risk factor.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
User accessing sensitive data from an unusual location.
Risk-based authentication (RBA) evaluates the risk level of each access attempt based on contextual factors. An unusual location is a high-risk indicator because it deviates from the user's established behavioral baseline, often triggering step-up authentication (e.g., requiring a one-time passcode or biometric verification) to verify the user's identity before granting access to sensitive data.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
User logging in from a known device.
Why it's wrong here
Known devices are trusted and do not trigger step-up.
User accessing sensitive data from an unusual location.
Why this is correct
Unusual location indicates higher risk and may trigger step-up.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
User entering correct password.
Why it's wrong here
Correct password alone does not trigger step-up.
User logging in during business hours.
Why it's wrong here
Normal business hours are not a risk factor.
Common exam traps
The trap here is that candidates may confuse 'step-up authentication' with 'multi-factor authentication' and assume any deviation from normal triggers it, but only high-risk anomalies (like unusual location or impossible travel) typically do, while low-risk factors like known devices or business hours do not.
Detailed technical explanation
RBA systems often use a risk score calculated from multiple signals such as geolocation, IP reputation, device fingerprint, and time of access. For example, if a user's typical login originates from a corporate VPN in New York but suddenly appears from a residential IP in a different country, the risk score may exceed a threshold (e.g., 80 out of 100), prompting a step-up challenge like a time-based one-time password (TOTP) or push notification. This approach aligns with NIST SP 800-63B guidelines for adaptive authentication.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the CISA exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Protection of Information Assets — This question tests Protection of Information Assets — Read the scenario before looking for a memorised answer..
The correct answer is: User accessing sensitive data from an unusual location. — Risk-based authentication (RBA) evaluates the risk level of each access attempt based on contextual factors. An unusual location is a high-risk indicator because it deviates from the user's established behavioral baseline, often triggering step-up authentication (e.g., requiring a one-time passcode or biometric verification) to verify the user's identity before granting access to sensitive data.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 25, 2026
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