CompTIA
PT0-003 · Question #249
While performing reconnaissance, a penetration tester attempts to identify publicly accessible ICS and IoT systems. Which of the following tools is most effective for this task?
The correct answer is B. Shodan. Shodan is a specialized search engine that indexes devices connected to the internet, particularly IoT and industrial control systems, making it the most effective tool for discovering publicly accessible ICS and IoT systems.
Submitted by yuki_2020· Mar 6, 2026Reconnaissance and enumeration
Question
While performing reconnaissance, a penetration tester attempts to identify publicly accessible ICS and IoT systems. Which of the following tools is most effective for this task?
Options
- AtheHarvester
- BShodan
- CAmass
- DNmap
How the community answered
(29 responses)- A3% (1)
- B86% (25)
- C3% (1)
- D7% (2)
Explanation
Shodan is a specialized search engine that indexes devices connected to the internet, particularly IoT and industrial control systems, making it the most effective tool for discovering publicly accessible ICS and IoT systems.
Topics
#Shodan#OSINT#ICS/IoT reconnaissance#Public asset discovery
Community Discussion
No community discussion yet for this question.