Gary Dewey introduces his course on ethical hacking, sharing his background and achievements. The course is divided into three sections: first steps, reconnaissance and scanning, and exploitation and sniffing. It covers basic terminologies, operating systems, tools like Nmap and Metasploit, and techniques such as password cracking and man-in-the-middle attacks. Prerequisites include basic computer skills and Linux familiarity. The course aims to provide a comprehensive introduction to ethical hacking.

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