Skip to Content
Certified Ethical Hacker (CEH) Study Guide
book

Certified Ethical Hacker (CEH) Study Guide

by Matt Walker
July 2025
Intermediate to advanced
482 pages
16h 19m
English
O'Reilly Media, Inc.
Audiobook available
Content preview from Certified Ethical Hacker (CEH) Study Guide

Chapter 12. Low Tech: Social Engineering and Physical Security

As the story goes, a large truck was barreling down a highway one day carrying equipment needed to complete a major public safety project. The deadline was tight, and the project would be doomed to failure if the parts were delayed for too long. As it journeyed down the road, the truck came to a tunnel and was forced to stop—the overhead clearance was just inches too short, not allowing the truck to pass through, and there was no way around the tunnel. Immediately calls were made to try to solve this problem.

Committees of engineers were quickly formed and solutions drawn up, with no idea too outlandish and no expense spared. Tiger teams of geologists were summoned to gauge the structural integrity of the aging tunnel in preparation for blasting the roof higher for the truck to pass. The US Air Force was consulted on the possibility of airlifting the entire truck over the mountain via helicopter. And while all this was going on, hundreds gathered at the blocked entrance to the tunnel, with everyone postulating their own solution.

A little girl wandered out of the crowd and walked up to the lead engineer, who was standing beside the truck scratching his head and wondering what to do. She asked, “Why is the truck blocking the road?” The man answered, “Because it’s just too tall to get through the tunnel.” She then asked, “And why are all these people here looking at it?” The man calmly answered, “Well, we’re all trying ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
QuotationMarkI wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.
Addison B.
Field Engineer
QuotationMarkI’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
QuotationMarkI'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Mark W.
Embedded Software Engineer

You might also like

Certified Ethical Hacker (CEH) v12 312-50 Exam Guide

Certified Ethical Hacker (CEH) v12 312-50 Exam Guide

Dale Meredith
Certified Ethical Hacker (CEH) v.12

Certified Ethical Hacker (CEH) v.12

ACI Learning, Daniel Lowrie, Sophie Goodwin

Publisher Resources

ISBN: 9781098174767Errata Page