There are two orthogonal stacks in an IT ecosystem: Implementation or Doing and Parametric or Directing. A full security assessment covers all aspects of security that impact on an IT ecosystem and its supporting services.
A new technique for phishing has emerged. Dubbed “spear phishing,” it targets specific individuals or groups to gather information. The FBI documented spear phishing attacks in early 2009 , and since then the frequency, complexity, and motives behind spear phishing have grown more sophisticated and dangerous.
Other than divine intervention, the best answer is to rely on mathematical and statistical models along with computer simulation to help forecast, predict and control risk.