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Books & Certification Resources

Written by a practitioner.
Built to advance your career.

Cybersecurity books and certification study guides authored by Dr. Nolyn Johnson, CISM — published by DNJ Cyber Press. Available in paperback and Kindle on Amazon.

Certify Like A CISO™ — DNJ Cyber Academy Certification Series

Pass the exam. Build the portfolio. Think like a CISO. Each guide includes 180–255 practice questions, field projects, and real breach case files.

Security+
Security+SY0-801
Book 1Available
Exam SY0-801

CompTIA Security+ Study Guide

180 practice questions · PBQ drills every chapter · Real breach case files.

SecAI+
SecAI+CY0-001
Book 2Available
Exam CY0-001

CompTIA SecAI+ Study Guide

180 practice questions · 15 field projects · AI incident case files.

CySA+
CySA+CS0-004
Book 3Available
Exam CS0-004

CompTIA CySA+ Study Guide

255 practice questions · SOC capstone + field projects · Real breach case files.

Professional Guide — DNJ Cyber Press
Prompt Like A CISO
Prompt Like A CISO™
Available Now
AI at WorkSecure Prompt FrameworkAny AI Platform

Prompt Like A CISO™

Dr. Nolyn Johnson, CISM · DNJ Cyber Press

The Professional's Playbook for Using AI Productively, Safely, and Responsibly at Work. Includes a secure prompt framework, 13 hands-on field projects, and works with every major AI assistant. Work faster with AI. Never trade away trust.

Cybersecurity Awareness — Dr. Nolyn Johnson LLC
Hey! Where is the Cybersecurity?
Hey! Where is the Cybersecurity?
Available Now
Cybersecurity AwarenessLeadershipOrganizational Culture

Hey! Where is the Cybersecurity?

Dr. Nolyn Johnson, CISM · Dr. Nolyn Johnson LLC

A practical cybersecurity awareness guide for organizations, leaders, and communities. Asks — and answers — the most important question in modern security. Written for executives, managers, and teams who need to move from awareness to action.

More titles arriving soon.

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