The information attack that brings forward the greatest threat to the United States and its citizens is the “Unauthorized Intrusion”. Further, in context to Taylor, Fritsch, Leiderbach and Holt (2011), “Intrusion” was defined as a certain set of action that makes attempt to compromise the veracity, concealment as well as convenience of the various computer resources. On such great example that demonstrates “Un authorized Intrusion” that likely throw impact on a large scale is the Office of Personal Management data breach.