Cybersecurity

Browse our cybersecurity ebooks — practical, hands-on guides written for professionals, certification candidates, and anyone building a career in information security. Whether you're preparing for the CompTIA Security+ SY0-701 exam, working through CISSP domain coverage, or diving into ethical hacking with Kali Linux, you'll find focused, exam-ready material here. Our collection covers penetration testing fundamentals, API security testing, Active Directory attacks and defense, cloud penetration testing across AWS, Azure, and GCP, and red team automation with PowerShell and Python. From beginner-friendly cert prep to advanced offensive security topics, these ebooks are designed to help you learn faster and retain more. All titles are available as instant EPUB and PDF downloads — no subscription, no app required. Read on any device, study at your own pace, and keep your guides forever. Start with a certification guide and build from there.