CompTIA Security+ Study Guide is a practical 58-page PDF book from oJAYo.com. A plain-language guide to SY0-701 and the new SY0-801.
CompTIA Security+ is one of the most widely recognized entry-level cybersecurity certifications. It shows employers that you understand core security concepts, common threats, secure architecture, day-to-day security operations and the basics of governance and risk.
This guide explains the certification in plain language. It covers the exam facts, explains each domain with diagrams and examples, gives a study plan, includes original practice questions and offers exam-day advice.
Why buy CompTIA Security+ Study Guide?
- Created by the oJAYo team of security experts: written by practitioners, then technically reviewed and edited.
- Built around the current exam version, with every domain explained in plain language.
- 41 short, focused chapters you can read in one sitting each, so steady progress fits around a busy week.
- Original practice questions with answers and the reasoning behind each one.
- A ready-made study plan, exam-day advice and the common mistakes to avoid.
- Diagrams and quick-reference tables that make revision faster in the final weeks.
- Ready-to-use checklists you can take straight into your next project or review.
- Instant PDF download that works on any laptop, tablet or phone, yours to keep.
What you will learn
- What Security+ is
- Why it matters
- Exam versions
- Exam format
- The domains
- Prerequisites
- Validity and renewal
- A study plan
- Security goals
- Security controls
- Change management
- Cryptography basics
- PKI and certificates
- Threat actors
Who this book is for
- Beginners starting a cybersecurity career.
- IT professionals adding security skills.
- Career changers who want a recognized first credential.
What is inside
- Format: PDF, instant download
- Length: 58 pages
- Chapters: 41
- Diagrams and screens: 17
- Created by: the oJAYo expert team (written, technically reviewed and edited)
- Publisher: oJAYo.com
- Published: 2026
- Series number: No. 143
Frequently asked questions
What does CompTIA Security+ Study Guide cover?
Topics include “Why it matters”, “Exam versions”, “Prerequisites”, “Validity and renewal” and “Security goals”, across 41 chapters with 17 diagrams and illustrated screens.
Who should read CompTIA Security+ Study Guide?
Beginners starting a cybersecurity career. IT professionals adding security skills. Career changers who want a recognized first credential.
Does it include practice questions?
Yes. It includes original practice questions with answers and explanations, plus a study plan and exam-day tips.
Is it suitable for beginners?
It is written in plain language for anyone preparing for the exam. Advanced exams still expect the experience the certifying body recommends, and the guide explains what that is.
What format is the book, and how do I get it?
It is a 58-page PDF. After checkout you get an instant download link, and you can read it on any device.
Is the content up to date?
Yes. It was written, reviewed and published in 2026 by the oJAYo team at oJAYo.com and reflects current versions, tools and practices.
Is this an official study guide?
No. It is an independent study companion written in its own words. CompTIA and Security+ are trademarks of CompTIA, Inc. This guide is independent and is not affiliated with, sponsored by or endorsed by CompTIA.
Get CompTIA Security+ Study Guide for $49 and start reading in minutes.
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