The request was aborted: Could not create SSL/TLS secure channel.Description: An unhandled exception occurred during the execution of the current web request.
When starting a new project, it is best to do the following security related items as soon as possible, otherwise it will be terribly difficult to add at a later stage.
I recently implemented a centralized security token cache and observed that although the user signs-out and the session cookie is removed from the browser the session token was never removed from the SecurityTokenCache. This is something I would never have observed if I did not implement this cache.
Found this amazing online cyber security directory. Lists 500+ conference events around the globe all to do with cyber security. Must keep an eye on this!