Certified Ethical Hacker (CEH) Study Guide: In-Depth Guidance and Practice

Preparing for the Certified Ethical Hacker (CEH) exam means working across a broad stretch of cybersecurity: networks, operating systems, web applications, wireless systems, cloud services, cryptography, and more. Matt Walker’s study guide organizes that terrain into a structured review, while keeping ethical practice in view alongside the technical material.

The book moves from security fundamentals and information gathering through scanning, enumeration, system attacks, and specialized environments. Its closing chapters turn toward AI in security and the planning and reporting involved in a penetration test.

Follow the work of an ethical hacker

Early chapters establish core security concepts, ethical hacking terminology, reconnaissance, and the methods used to identify and assess systems. Readers then encounter topics such as port scanning, vulnerability scanning, sniffing, evasion, authentication, and privilege escalation. The emphasis is on understanding how techniques fit into the wider work of security assessment.

From web applications to cloud and connected devices

Walker broadens the review beyond conventional networks. The contents address web servers and application attacks, wireless security, mobile communications, the Internet of Things, operational technology, and cloud computing. Separate coverage of malware, social engineering, physical security, and cryptography adds context for the different ways systems and organizations can be exposed.

Put the concepts into a testing process

The final chapter brings penetration testing together, including assessment types, tools, test methodology, and deliverables. A chapter on artificial intelligence considers its place in ethical hacking and security, while a practice exam and answer key give readers material for reviewing their understanding.

For CEH candidates and security practitioners

This intermediate-to-advanced study guide is aimed at people preparing for CEH certification, including penetration testers, cybersecurity engineers, and analysts. It can also serve as a broad reference for readers revisiting ethical hacking and penetration-testing concepts. Throughout, the subject calls for a clear distinction between learning about attack techniques and using them only within authorized, ethical boundaries.