Thomas Wilhelm

author

Thomas Wilhelm

A longtime penetration tester and educator, he writes practical cybersecurity books built from real-world experience. His work is especially known for helping readers set up hands-on labs and think like a professional tester.

1 Audiobook

A Military Dictionary and Gazetteer Comprising ancient and modern military technical terms, historical accounts of all North American Indians, as well as ancient warlike tribes; also notices of battles from the earliest period to the present time, with a concise explanation of terms used in heraldry and the offices thereof. The work also gives valuable geographical information. Compiled from the best authorities of all nations. With an appendix containing the Articles of war, etc.

A Military Dictionary and Gazetteer Comprising ancient and modern military technical terms, historical accounts of all North American Indians, as well as ancient warlike tribes; also notices of battles from the earliest period to the present time, with a concise explanation of terms used in heraldry and the offices thereof. The work also gives valuable geographical information. Compiled from the best authorities of all nations. With an appendix containing the Articles of war, etc.

by Thomas Wilhelm

About the author

Thomas Wilhelm is a cybersecurity author and instructor best known for books on penetration testing and ethical hacking. Available publisher and catalog descriptions consistently present him as an experienced professional penetration tester and educator whose writing is aimed at helping readers build practical skills.

His best-known work includes Professional Penetration Testing, a guide focused on creating and using realistic hacking labs. Sources describing the book emphasize that he has trained many security professionals and drawn on years of field experience to explain testing methods in a clear, applied way.

More recent author information also describes him as a leader in offensive and defensive security work for major companies, as well as a contributor to research and tool development. Across his books and professional writing, the common thread is a strong focus on hands-on learning and real-world security practice.