Abstract: A training system for providing training facilities for users to learn secure coding techniques, the training system comprising: a computer server system comprising one or more computer processors and memory for storing computer code, said computer code, when executed by said processors, being adapted to; provide means for provision of a plurality of unique user accounts and means for a user to securely access an associated user account; serve insecure software code example snippets to a user interface for review by said user; processing a solution to said insecure code snippets, said solution being entered via user interface by said user; and providing feedback to said user regarding the validity of said solution.