Information Assurance ( IA ) 1.Introduction: Now-a-days Internet clients has increased which is over the world 200 million.This Internet is accessed via mobile telephone,computer,PDA, games machine etc,. So its also need to protect the data,information as well as security of data and all other things related to the security. Hence the Information Assurance is very important concept which is related to the Information Security. 2.What is Information Assurance ? Information Assurance is one process or its is a one activity which help us to protecting our data,our system or network. Its also getting the right data to the right persons at the right time. It protects the information,hardware,software and data from damage or theft. The measure pillars of the Information Assurance Integrity, Availability Confidentiality. 3. Pillars of the AI: