A collection of resources to learn Web Security.
RootMe
The fast, easy, and affordable way to train your hacking skills.
challenge your hacking skills
https://www.root-me.org/?lang=en
Cybersecurity @ Coursera
https://www.coursera.org/specializations/cyber-security
Cybrary
Free and Open Source Learning for Cyber Security, IT and more.
https://www.cybrary.it/
Crypto101
Crypto 101 is an introductory course on cryptography, freely available for programmers of all ages and skill levels.
https://www.crypto101.io/
Hacksplaining
Learn to hack, protect yourself
https://www.hacksplaining.com/