Do you believe all your credentials are publicly available online without your knowledge? Initially, it may seem a little unconvincing, but slowly you will understand that breach has caught you.
Watch this video to know more about whether is it necessary to learn hacking in order to stop the majority of cyberattacks.
To stop cyberattacks, however, it is not essential to become a hacker; having a basic understanding of network architecture and cyber security is sufficient to avoid traps.