ISACA CISA Study Guide

ISACA CISA Study Guide is a practical 54-page PDF book from oJAYo.com. A plain-language guide to the five CISA domains.

CISA (Certified Information Systems Auditor) from ISACA is the best-known certification for IT audit, control and assurance professionals. It shows that you can audit information systems, assess controls and report findings that help organizations manage risk.

This guide explains CISA in plain language: requirements, exam format, each of the five domains with diagrams, the auditor’s mindset, a study plan, original practice questions and exam-day advice. It follows the job practice refreshed in 2024, which remains current in 2026.

Why buy ISACA CISA 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.
• 39 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 CISA is
• The domains
• Requirements
• Exam format
• The auditor’s mindset
• Standards and ethics
• A study plan
• Domain 1: planning an audit
• Audit risk
• Controls
• Evidence
• Sampling
• Reporting
• Workpapers and quality

Who this book is for

• IT auditors and internal auditors.
• Security and compliance professionals moving into assurance.
• Accountants expanding into IT audit.

What is inside

• Format: PDF, instant download
• Length: 54 pages
• Chapters: 39
• Diagrams and screens: 15
• Created by: the oJAYo expert team (written, technically reviewed and edited)
• Publisher: oJAYo.com
• Published: 2026
• Series number: No. 147

Frequently asked questions

What does ISACA CISA Study Guide cover?

Topics include “Requirements”, “The auditor’s mindset”, “Standards and ethics”, “Domain 1: planning an audit” and “Audit risk”, across 39 chapters with 15 diagrams and illustrated screens.

Who should read ISACA CISA Study Guide?

IT auditors and internal auditors. Security and compliance professionals moving into assurance. Accountants expanding into IT audit.

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 54-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. ISACA and CISA are trademarks of ISACA. This guide is independent and is not affiliated with, sponsored by or endorsed by ISACA.

Get ISACA CISA Study Guide for $49 and start reading in minutes.