On that note, participating in online #CTFs is a good way to learn and also find some new folks to talk to especially when you end up helping each other with hints etc if someone is stuck. #infosec
CTFs come and go all the time, just do a search for one online.
If you are interested also, here's an interesting Github on CTF writeups https://github.com/VulnHub/ctf-writeups
A curated list of Capture The Flag (CTF) frameworks, libraries, resources, softwares and tutorials.