This file contains resources to learn digital security skills and concepts.
Hack This Site is a training ground for hackers to hone and test their hacking abilities. It's suitable for beginners with no experience of hacking.
Website - https://www.hackthissite.org/
Take your career to the next level with Cybrary's online Cyber Security courses. Join the only free cyber security training that can help get you there!Cybrary features many freebies to help you with very basics of ethical hacking.
Website - https://www.cybrary.it/
It is an open source penetration testing tool exploiting SQL injection flaws and taking over database servers. Supports a very rich set of features.
Website - http://sqlmap.org/
Learn Cryptography is a site providing learning material for basics of cryptography,cryptanalysis,steganography and other domains related to cryptography. Simplified articles are available to read and some basic tools are also provided free of cost.
Website - https://learncryptography.com/