added OpenSecurityTraining.info

OpenSecurityTraining.info is dedicated to sharing training material for computer security classes, on any topic, that are at least one day long.

README.md

@@ -123,6 +123,7 @@ Please share this list if you find it useful. Let me know if you like it
 |[Mutillidae](https://sourceforge.net/projects/mutillidae/)|OWASP Mutillidae II is a free, open source, deliberately vulnerable web application providing a target for web-security enthusiast.|
 |[MysteryTwister C3](https://www.mysterytwisterc3.org/en/)|MysteryTwister C3 lets you solve crypto challenges, starting from the simple Caesar cipher all the way to modern AES, they have challenges for everyone.|
 |[National Institutes of Health (NIH)](https://irtsectraining.nih.gov/publicUser.aspx)|Short courses on Information Security and Privacy Awareness. They have a section for executives, managers and IT Administrators as well.|
+|[OpenSecurityTraining.info](http://opensecuritytraining.info/Training.html/)|OpenSecurityTraining.info is dedicated to sharing training material for computer security classes, on any topic, that are at least one day long.|
 |[Overthewire](http://overthewire.org/wargames/)|The wargames offered by the OverTheWire community can help you to learn and practice security concepts in the form of fun-filled games.|
 |[OWASP Broken Web Applications Project](https://www.owasp.org/index.php/OWASP_Broken_Web_Applications_Project)|OWASP Broken Web Applications Project is a collection of vulnerable web applications that is distributed on a Virtual Machine.|
 |[OWASP GoatDroid](https://github.com/jackMannino/OWASP-GoatDroid-Project)|OWASP GoatDroid is a fully functional and self-contained training environment for educating developers and testers on Android security. GoatDroid requires minimal dependencies and is ideal for both Android beginners as well as more advanced users.|