You can read a short summary about what a CTF is here (<a href="https:&#x2F;&#x2F;ctftime.org&#x2F;ctf-wtf&#x2F;" rel="nofollow">https:&#x2F;&#x2F;ctftime.org&#x2F;ctf-wtf&#x2F;</a>), but the best thing to do is to go out and start playing CTFs. <a href="https:&#x2F;&#x2F;ctftime.org&#x2F;" rel="nofollow">https:&#x2F;&#x2F;ctftime.org&#x2F;</a> is a great site that lists all upcoming CTFs. Note that a lot of these CTFs are meant for industry professionals, so don&#x27;t feel discouraged if you find the problems tough. There are also some high school level and college level CTFs you can participate it.