I started my CTF journey on TryHackMe and completed various rooms. Highly recommend it for beginners.
Check out my blog for detailed write-ups on different rooms on ctf.vasanthavanan.in.
Currently ranked in the top 1% of the community.
Phase 2: PicoCTF
Following that, I explored on PicoCTF's PicoGym practice challenges. I dived deep in to binary exploitation, web exploitation, reverse engineering and forensics. View my picoGym scores and solved challenges on play.pictoctf.org/users/mvasanth