A Certified Ethical Hacker (CEH) is a cybersecurity professional trained to think and act like a hacker, but in a lawful and legitimate manner to protect systems and networks. The CEH certification, offered by EC-Council, validates skills in identifying vulnerabilities, penetration testing, and understanding hacking tools and methodologies. Ethical hackers use their expertise to help organizations strengthen security by detecting and fixing weaknesses before malicious hackers can exploit them. CEH is a globally recognized certification, ideal for IT professionals aiming to build a career in cybersecurity and ethical hacking.