Quick Answer
The answer is pretexting. This is correct because the attacker fabricates a false scenario—posing as IT help desk staff performing a security update—to build trust and manipulate the employee into revealing their password. Unlike phishing, which typically relies on malicious links or attachments, pretexting in social engineering phone calls hinges on verbal impersonation and a crafted narrative to extract sensitive data. On the Certified Ethical Hacker CEH exam, this distinction is critical: pretexting tests your ability to recognize attacks that exploit human trust through role-playing, while phishing often involves digital lures. A common trap is confusing pretexting with vishing, but vishing is a subset of phishing that uses voice calls; here, the core technique is the fabricated pretext, not the medium. Memory tip: think “pretext equals pre-scripted story”—if the attacker invents a reason to ask for information, it’s pretexting, not just a phishing call.
This CEH practice question tests your understanding of social engineering and physical security. 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.
A penetration tester calls an employee claiming to be from the IT help desk and asks for their password to perform a 'security update'. The employee provides the password. Which social engineering technique is being used?
Pretexting
Pretexting uses a fabricated scenario to obtain information.
Tailgating
Why wrong: Tailgating requires physical following, not a phone call.
Quid pro quo
Why wrong: Quid pro quo involves offering a service or benefit in exchange for information.
Phishing
Why wrong: Phishing is usually via email or fake websites.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Pretexting
The attacker is fabricating a scenario (IT help desk performing a security update) to manipulate the target into revealing sensitive information. This is the essence of pretexting, where the attacker creates a false identity or situation to gain trust and extract data. Unlike phishing, which typically uses malicious links or attachments, this attack relies purely on verbal impersonation and social manipulation.
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.
Pretexting
Why this is correct
Pretexting uses a fabricated scenario to obtain information.
Related concept
Read the scenario before looking for a memorised answer.
Tailgating
Why it's wrong here
Tailgating requires physical following, not a phone call.
Quid pro quo
Why it's wrong here
Quid pro quo involves offering a service or benefit in exchange for information.
Phishing
Why it's wrong here
Phishing is usually via email or fake websites.
Common exam traps
The trap here is that candidates confuse pretexting with phishing because both involve deception, but phishing specifically uses electronic channels (email, fake login pages) while pretexting can occur over voice or in person without any technical payload.
Detailed technical explanation
Pretexting often leverages caller ID spoofing to display a legitimate IT help desk number, increasing the victim's trust. In real-world engagements, attackers may research the target's organization structure (e.g., via LinkedIn) to use real names and department references, making the pretext more convincing. The CEH exam emphasizes that pretexting is distinct from phishing because it relies on a fabricated narrative rather than a technical lure.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
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FAQ
Social Engineering and Physical Security — This question tests Social Engineering and Physical Security — Read the scenario before looking for a memorised answer..
The correct answer is: Pretexting — The attacker is fabricating a scenario (IT help desk performing a security update) to manipulate the target into revealing sensitive information. This is the essence of pretexting, where the attacker creates a false identity or situation to gain trust and extract data. Unlike phishing, which typically uses malicious links or attachments, this attack relies purely on verbal impersonation and social manipulation.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
About these practice questions
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Same concept, more angles
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. During a social engineering engagement, a tester calls the help desk posing as an employee from the IT department. The tester claims to be working on a critical system update and needs the employee's password to proceed. Which type of social engineering attack is being executed?
hardWhy C: Pretexting involves creating a fabricated scenario (pretext) to manipulate a target into divulging information. In this case, the tester falsely claims to be from the IT department working on a critical system update, which is a classic pretext to gain trust and obtain the employee's password. This differs from other social engineering types because it relies on a constructed identity and false narrative rather than a technical lure or direct exchange.
Last reviewed: Jun 11, 2026
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