Тут прислали хорошую подборку по каналам, не могу не поделиться, каждый найдет свое 👌😻

CTF:
https://t.me/ctftimeorg_events
https://t.me/mephictf
https://t.me/mireactf_chat
https://t.me/spbctf
https://t.me/volgactf

ИБ:
https://t.me/codeby_sec
https://t.me/miirs_kingdom
https://t.me/technical_private_cat
https://t.me/makrushin
https://t.me/secdet_team
https://t.me/greg0r0_life_and_work
https://t.me/wearecaster
https://t.me/w2hack
https://t.me/dangercurve
https://t.me/RedTeambro
https://t.me/CheshireCatandWhiteRabbitLair
https://t.me/ru_cryptography
https://t.me/DCG7812
Подборка @OtFront

Youtube (ИБ):
https://youtube.com/@exploit-talks
https://youtube.com/@_JohnHammond
https://youtube.com/@BDVSecurity
https://youtube.com/@MotasemHamdan
https://youtube.com/@ITSecurityLabs
https://youtube.com/@CosmodiumCS
https://youtube.com/@BlackPerl
https://youtube.com/@taylorwalton_socfortress
https://youtube.com/@HackTheBox
https://youtube.com/@MChannelone
https://youtube.com/@CryptFunIT
https://youtube.com/@HighLoadChannel
https://youtube.com/@HackerSploit
https://youtube.com/@0x4rk0
https://youtube.com/@LiveOverflow
https://youtube.com/@linkmeup-podcast
https://youtube.com/@positiveevents5242
https://youtube.com/@Hackerdom


Отдельно ещё есть прикольный подкаст с историями:
https://youtube.com/@JackRhysider