IppSec Channel - Hack The Box Writeups
LiveOverflow - Explore weird machines...
GynvaelEN - Podcasts about CTFs, computer security, programing and similar things.
John Hammond - Wargames and CTF writeups
Murmus CTF - Weekly live streamings
PwnFunction
OJ Reeves
Hacksplained - A Beginner Friendly Guide to Hacking
STÖK
Hackersploit
The Cyber Mentor
Nahamsec
Hackerone
The Hated one
stacksmashing / Ghidra Ninja
Hak5
HACKING GOOGLE Series