The Internal Vulnerability Assessment and Testing (IVAST) determines how secure your network is from malicious (or even unintentional) theft or damage due to un-patched, weak, or misconfigured security settings on your internal infrastructure. The Assessment mimics the beginning phases of attacks from two potential attacker groups - unprivileged guests and trusted internal users.---Please provide reference. *** The wording on this question is poor, and this answer doesn't explain it.