| Security Operating Systems : |
| https://www.parrotsec.org/ |
| https://kali.org/ |
| Security Fundamentals : Networking & Operating System |
| Linux Basics: https://linuxjourney.com/ |
| Android Basics: https://www.educba.com/android-operating-system/ |
| Windows Basics: https://www.educba.com/introduction-to-windows/ |
| Operating System Basics: https://www.tutorialspoint.com/operating_system/index.htm |
| Networking : https://www.cisco.com/c/en_in/solutions/small-business/resource-center/networking/networking-basics.html#~wireless-networking |
| https://www.geeksforgeeks.org/basics-computer-networking/ |
| What To Learn : |
| OWASP Top 10 Web App Vulnerabilities: https://owasp.org/www-project-top-ten/ |
| https://www.mcafee.com/enterprise/en-in/security-awareness/cybersecurity/what-is-mitre-attack-framework.html |
| https://www.sans.org/top25-software-errors/ |
| Free online cyber security programs/certs/MOOCs: |
| https://www.onlinecoursereport.com/free/cybersecurity/ |
| https://www.nist.gov/itl/applied-cybersecurity/nice/resources/online-learning-content |
| https://www.cyberaces.org/ |
| https://www.cyberdegrees.org/resources/free-online-courses/ |
| CTF Challenges |
| 1. Basics |
| 1. Competitions |
| PicoCTF: https://picoctf.com/ |
| 2. Online Practice Labs |
| Hacker101: https://www.hacker101.com/ |
| TryHackMe: https://tryhackme.com |
| 2. Intermediate to Advanced |
| 1. Competitions |
| HITCON CTF: https://ctf2019.hitcon.org/ |
| Google CTF: https://capturetheflag.withgoogle.com/ |
| 2. Online Practice Labs |
| HackTheBox: https://www.hackthebox.eu/ |
| OverTheWire: https://overthewire.org/wargames/ |
| Natas: https://overthewire.org/wargames/natas/ |
