This may not be exactly what you are looking for but if you have specific topics you wish to learn more about then the Security [1] portion of StackExchange con

This may not be exactly what you are looking for but if you have specific topics you wish to learn more about then the Security [1] portion of StackExchange contains some decent questions and answers. ServerFault [2] also contains some server best practices. Stack Overflow [3] would have some of the coding best practices. Lurk on there for a while before asking questions as people expect a certain style of question formatting and some degree of research from someone in a related professional field prior to asking questions. [1] - https://security.stackexchange.com/ https://security.stackexchange.com/ [2] - https://serverfault.com/ https://serverfault.com/ [3] - https://stackoverflow.com/ https://stackoverflow.com/