A new paradigm is needed in the industry. The concept of networking was created with the logic that connectivity is enabling and this concept was implemented in such a way where security was simply an afterthought and has created a situation where security is always in catch-up mode. 

In those attacks which are not classified as APT, this is normally not very difficult. However in the case of APT, it is very difficult to profile an attack and get an idea on which technologies would have helped or mitigated the attacks. It’s often impossible to track down the initial point of compromise in an APT attack because they tend to cover their tracks very well.