Explian confidentiality related to computer information

Confidentiality in computer information pertains to security.  It deals with restricting access of valuable information to ensure that it will not fall into the wrong hands or be used for the wrong purposes.  This is especially true when it comes to the military and even private industries.  Any breach in the Army’s computer system can be used against it by its enemies and can imperil a country’s security.  Industries’ also take measures to limit the access of sensitive data because it can be used by their competitors. 

An epidemic is a large and localized outbreak of a sickness or disease.  a pandemic is a large global outbreak of a sickness or disease.