1. CEH (Certified Ethical Hacker) Certification: Offered by EC-Council, this is one of the most recognized certifications in the field of ethical hacking. It covers a wide range of topics including penetration testing, footprinting, network scanning, and more.
2. Cybrary: Cybrary offers various free and paid courses on ethical hacking and cybersecurity. Their catalog includes beginner to advanced level courses, covering topics such as ethical hacking fundamentals, network security, and malware analysis.
3. Udemy: Udemy has a plethora of courses on ethical hacking taught by industry professionals. Look for courses with high ratings and reviews, such as "The Complete Ethical Hacking Course" by Ermin Kreponic or "Ethical Hacking from Scratch to Advanced Techniques" by Zaid Sabih.
4. Coursera: Coursera offers courses from universities and institutions around the world. Check out courses like "Cybersecurity Fundamentals" by Rochester Institute of Technology or "Introduction to Cyber Security Specialization" by NYU (New York University).
5. Pluralsight: Pluralsight offers a range of courses on cybersecurity and ethical hacking. Look for courses like "Ethical Hacking: Understanding Ethical Hacking" by Dale Meredith or "Penetration Testing and Ethical Hacking with Kali Linux" by Troy Hunt.