Technical-
Computer Fundamentals
https://www.comptia.org/training/by-certification/a
https://www.youtube.com/watch?v=tIfRDPekybU
https://www.tutorialspoint.com/computer_fundamentals/index.htm
https://onlinecourses.swayam2.ac.in/cec19_cs06/preview
https://www.udemy.com/course/complete-computer-basics-course/
https://www.coursera.org/courses?query=computer%20fundamentals
Computer Networking
https://www.youtube.com/watch?v=0AcpUwnc12E&list=PLkW9FMxqUvyZaSQNQslneeODER3bJCb2K
https://www.youtube.com/watch?v=qiQR5rTSshw -https://www.youtube.com/watch?v=L3ZzkOTDins
https://www.udacity.com/course/computer-networking--ud436
https://www.coursera.org/professional-certificates/google-it-support
https://www.udemy.com/course/introduction-to-computer-networks/
Operating Systems
https://www.youtube.com/watch?v=z2r-p7xc7c4
https://www.youtube.com/watch?v=_tCY-c-sPZc
https://www.coursera.org/learn/os-power-user
https://www.udacity.com/course/introduction-to-operating-systems--ud923
https://www.udemy.com/course/linux-command-line-volume1/
https://www.youtube.com/watch?v=v_1zB2WNN14
Command Line-
Windows:
https://www.youtube.com/watch?v=TBBbQKp9cKw&list=PLRu7mEBdW7fDTarQ0F2k2tpwCJg_hKhJQ
https://www.youtube.com/watch?v=fid6nfvCz1I&list=PLRu7mEBdW7fDlf80vMmEJ4Vw9uf2Gbyc_
https://www.youtube.com/watch?v=UVUd9_k9C6A
Linux:
https://www.youtube.com/watch?v=fid6nfvCz1I&list=PLRu7mEBdW7fDlf80vMmEJ4Vw9uf2Gbyc_
https://www.youtube.com/watch?v=UVUd9_k9C6A -
https://www.youtube.com/watch?v=GtovwKDemnI
https://www.youtube.com/watch?v=2PGnYjbYuUo
https://www.youtube.com/watch?v=e7BufAVwDiM&t=418s
https://www.youtube.com/watch?v=bYRfRGbqDIw&list=PLkPmSWtWNIyTQ1NX6MarpjHPkLUs3u1wG&index=4
Programming-
C:
https://www.youtube.com/watch?v=irqbmMNs2Bo
https://www.youtube.com/watch?v=ZSPZob_1TOk
https://www.programiz.com/c-programming
Python:
https://www.youtube.com/watch?v=ZLga4doUdjY&t=30352s
https://www.youtube.com/watch?v=gfDE2a7MKjA
https://www.youtube.com/watch?v=eTyI-M50Hu4
JavaScript:
https://www.youtube.com/watch?v=-lCF2t6iuUc
https://www.youtube.com/watch?v=hKB-YGF14SY&t=1486s
https://www.youtube.com/watch?v=jS4aFq5-91M
PHP:
https://www.youtube.com/watch?v=1SnPKhCdlsU
https://www.youtube.com/watch?v=OK_JCtrrv-c
https://www.youtube.com/watch?v=T8SEGXzdbYg&t=1329s
Books-
Web Application Hacker’s Handbook: https://www.amazon.com/Web-Application-Hackers-Handbook-Exploiting/dp/1118026470
Real World Bug Hunting: https://www.amazon.in/Real-World-Bug-Hunting-Field-Hacking-ebook/dp/B072SQZ2LG
Bug Bounty Hunting Essentials: https://www.amazon.in/Bug-Bounty-Hunting-Essentials-Quick-paced-ebook/dp/B079RM344H
Bug Bounty Bootcamp: https://www.amazon.in/Bug-Bounty-Bootcamp-Reporting-Vulnerabilities-ebook/dp/B08YK368Y3
Hands-on Bug Hunting: https://www.amazon.in/Hands-Bug-Hunting-Penetration-Testers-ebook/dp/B07DTF2VL6
Hacker’s Playbook 3: https://www.amazon.in/Hacker-Playbook-Practical-Penetration-Testing/dp/1980901759
OWASP Testing Guide: https://www.owasp.org/index.php/OWASP_Testing_Project
Web Hacking 101: https://www.pdfdrive.com/web-hacking-101-e26570613.html
OWASP Mobile Testing Guide:https://www.owasp.org/index.php/OWASP_Mobile_Security_Testing_Guide
Writeups-
Medium: https://medium.com/analytics-vidhya/a-beginners-guide-to-cyber-security-3d0f7891c93a
Infosec Writeups: https://infosecwriteups.com/?gi=3149891cc73d
Hackerone Hacktivity: https://hackerone.com/hacktivity
Google VRP Writeups: https://github.com/xdavidhu/awesome-google-vrp-writeups
Blogs and Articles-
Hacking Articles: https://www.hackingarticles.in/
Vickie Li Blogs: https://vickieli.dev/
Bugcrowd Blogs: https://www.bugcrowd.com/blog/
Intigriti Blogs: https://blog.intigriti.com/
Portswigger Blogs: https://portswigger.net/blog
Forums-
Reddit: https://www.reddit.com/r/websecurity/
Reddit: https://www.reddit.com/r/netsec/
Bugcrowd Discord: https://discord.com/invite/TWr3Brs
Official Websites-
OWASP: https://owasp.org/
PortSwigger: https://portswigger.net/
Cloudflare: https://www.cloudflare.com/
YouTube Channels-
English:
Insider PHD: https://www.youtube.com/c/InsiderPhD
Stok: https://www.youtube.com/c/STOKfredrik
Bug Bounty Reports Explained: https://www.youtube.com/c/BugBountyReportsExplained
Vickie Li: https://www.youtube.com/c/VickieLiDev
Hacking Simplified: https://www.youtube.com/c/HackingSimplifiedAS
Pwn function:https://www.youtube.com/c/PwnFunction
Farah Hawa: https://www.youtube.com/c/FarahHawa
XSSRat: https://www.youtube.com/c/TheXSSrat
Zwink: https://www.youtube.com/channel/UCDl4jpAVAezUdzsDBDDTGsQ
Live Overflow:https://www.youtube.com/c/LiveOverflow
Hindi:
Spin The Hack: https://www.youtube.com/c/SpinTheHack
Pratik Dabhi: https://www.youtube.com/c/impratikdabhi
CTF-
Hacker 101: https://www.hackerone.com/hackers/hacker101
PicoCTF: https://picoctf.org/
TryHackMe: https://tryhackme.com/ (premium/free)
HackTheBox: https://www.hackthebox.com/ (premium)
VulnHub: https://www.vulnhub.com/
HackThisSite: https://hackthissite.org/
CTFChallenge: https://ctfchallenge.co.uk/
PentesterLab: https://pentesterlab.com/referral/olaL4k8btE8wqA(premium)
Online Labs-
PortSwigger Web Security Academy: https://portswigger.net/web-security
OWASP Juice Shop: https://owasp.org/www-project-juice-shop/
XSSGame: https://xss-game.appspot.com/
BugBountyHunter: https://www.bugbountyhunter.com/ (premium)
W3Challs : https://w3challs.com/
Offline Labs-
DVWA: https://dvwa.co.uk/
bWAPP: http://www.itsecgames.com/
Metasploitable2: https://sourceforge.net/projects/metasploitable/files/Metasploitable2/
BugBountyHunter: https://www.bugbountyhunter.com/ (premium)
W3Challs : https://w3challs.com/
Crowdsourcing-
Bugcrowd: https://www.bugcrowd.com/
Hackerone: https://www.hackerone.com/
Intigriti: https://www.intigriti.com/
YesWeHack: https://www.yeswehack.com/
OpenBugBounty: https://www.openbugbounty.org/