Ethical hackers or White Hat Hackers do similar work as Black Hat hackers but their intention is the only difference. The main job of Ethical Hacking is to do hacking with the permission of the owner and report them to the concerned authorities.
Whereas, Cyber Security's main focus is on how to defend the system from malicious activities and protect data and systems. The main job of cybersecurity is to monitor the system regularly and take defensive measures to safeguard the security system.
You can enroll in these Cyber Security Courses by Intellipaat to start your career in cybersecurity
Also, check out this video for more: