This CEH practice question tests your understanding of footprinting, reconnaissance and scanning. 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.
Which of the following tools is PRIMARILY used for passive OSINT gathering and can query multiple search engines, social media platforms, and public databases to collect information about a target?
Nmap
Why wrong: Nmap is primarily an active scanning tool.
Wireshark
Why wrong: Wireshark is a network protocol analyzer, not an OSINT tool.
Maltego
Maltego is designed for passive reconnaissance and aggregates data from multiple sources.
theHarvester
Why wrong: theHarvester is an OSINT tool but does not have the same broad integration as Maltego.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Maltego
Maltego is primarily used for passive OSINT gathering because it leverages open-source intelligence feeds, search engines, social media platforms, and public databases to collect and correlate information about a target without directly interacting with the target's systems. Its transform-based architecture allows it to query multiple data sources simultaneously, making it the correct choice for passive reconnaissance.
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.
Nmap
Why it's wrong here
Nmap is primarily an active scanning tool.
Wireshark
Why it's wrong here
Wireshark is a network protocol analyzer, not an OSINT tool.
Maltego
Why this is correct
Maltego is designed for passive reconnaissance and aggregates data from multiple sources.
Related concept
Read the scenario before looking for a memorised answer.
theHarvester
Why it's wrong here
theHarvester is an OSINT tool but does not have the same broad integration as Maltego.
Common exam traps
The trap here is that candidates often confuse theHarvester with Maltego because both are OSINT tools, but theHarvester is more specialized for email and subdomain harvesting, while Maltego is the broader platform for multi-source passive intelligence gathering and visualization.
Detailed technical explanation
Maltego operates using transforms that query external APIs (e.g., Shodan, Have I Been Pwned, social media platforms) and DNS records, aggregating results into a graph-based relationship model. This allows an attacker to map out infrastructure, identify social connections, and uncover hidden relationships without sending a single packet to the target's network, which is critical for stealthy reconnaissance in red team operations.
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 CEH 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
Footprinting, Reconnaissance and Scanning — This question tests Footprinting, Reconnaissance and Scanning — Read the scenario before looking for a memorised answer..
The correct answer is: Maltego — Maltego is primarily used for passive OSINT gathering because it leverages open-source intelligence feeds, search engines, social media platforms, and public databases to collect and correlate information about a target without directly interacting with the target's systems. Its transform-based architecture allows it to query multiple data sources simultaneously, making it the correct choice for passive reconnaissance.
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.
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Last reviewed: Jun 24, 2026
This CEH practice question is part of Courseiva's free EC-Council certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CEH exam.
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