Ethical hacking is very important to tackle the increase in attacks that keeping national security under threat, terrorist organizations funded cyber-attacks.
Several companies are using various technologies to protect the system before the cybercriminals inject malware and deny access. Hence, ethical hacking is very important to help the companies to save networks of businesses, government agencies, or defense from these new worms, malware, viruses, and ransomware attacks.
I would suggest enrolling for this Ethical Hacking Course by Intellipaat to speed up the learning process and for guidance from professionals.
Also, watch this video on Ethical Hacking: