Charles F. Hamilton

Charles F. Hamilton is a highly experienced cybersecurity professional with over a decade of expertise in penetration testing, red teaming, and security consulting. He has a strong background in leading complex security projects, including security assessments of nuclear power plants, trains, aircraft, payment processing devices, and developing advanced methodologies and providing technical guidance to enhance security practices across various organizations. Charles has a proven track record of delivering high-quality training content, conducting comprehensive security assessments, and driving strategic initiatives to improve organizational security postures.

Throughout his career, Charles has demonstrated exceptional skills in performing penetration tests on web applications, external and internal infrastructures, and embedded devices. He has led numerous red team assessments, including physical intrusions and phishing campaigns, to identify and mitigate security vulnerabilities. His ability to provide both tactical and strategic recommendations has been instrumental in helping clients strengthen their security defenses.

As a Director, Charles has been pivotal in leading the red team function, improving methodologies, and supporting sales efforts with his technical expertise. He is also actively involved in internal training, elevating the practice, and engaging with the global security community through webinars, blog posts, and other initiatives.

In addition to his corporate roles, Charles, also known online as Mr.Un1k0d3r, is the founder of TrueCyber (formerly Mr.Un1k0d3r Online Training) and RingZer0 Team Online CTF Web Site, platforms dedicated to cybersecurity training and skill development. His contributions to the cybersecurity community include creating hacking challenges, providing public and private training, and presenting at various security events.