Book Image

CompTIA PenTest+ Study Guide

By : Mike Chapple, David Seidl
Book Image

CompTIA PenTest+ Study Guide

By: Mike Chapple, David Seidl

Overview of this book

The CompTIA PenTest+ Study Guide: Exam PT0-001 offers comprehensive preparation for the newest intermediate cybersecurity certification exam. With expert coverage of Exam PT0-001 objectives, this book is your ideal companion throughout all stages of study; whether you’re just embarking on your certification journey or finalizing preparations for the big day, this invaluable resource helps you solidify your understanding of essential skills and concepts. The book shows how to perform security assessments on desktops, mobile devices, cloud, IoT, as well as industrial and embedded systems. You'll learn how to identify security weaknesses and manage system vulnerabilities. As you progress, you'll learn methods to ensure that existing cybersecurity practices, configurations, and policies conform with current best practices. You'll assess your knowledge by simulating cyber attacks to pinpoint security weaknesses in operating systems, networks, and applications. By the end of the book, you'll have all the resources you need to prepare for the exam - identify what you already know, learn what you don’t know, and face the exam with full confidence.
Table of Contents (21 chapters)
Free Chapter
About the Authors
Assessment Test
Answers to Assessment Test
End User License Agreement

Unsecure Coding Practices

We’ve now examined web application vulnerabilities extensively from the perspective of an attacker. There are, indeed, many ways that an attacker can exploit security flaws to compromise the security of applications. Now let’s flip our perspective and look at some of the unsecure code practices that developers might engage in, inadvertently undermining application security.

Source Code Comments

Comments are an important part of any good developer’s workflow. Placed strategically throughout code, they provide documentation of design choices, explain workflows, and offer details crucial to other developers who may later be called upon to modify or troubleshoot the code. When placed in the right hands, comments are crucial.

However, comments can also provide attackers with a road map explaining how code works. In some cases, comments may even include critical security details that should remain secret. Developers should take steps to ensure...