What is Social Engineering.

Social Engineering that is called also Social Hacker is to steal someone’s personal information by using social ways, and most of them are done without facing each other. For example, there is a way called Pretexting. It usually uses a telephone to get information with some pre-knowledge about the targets such as the date of birth, Social Security Number, and last bill amount. This technique makes private investigators be able to know telephone records, utility records and so on. Moreover, we are always faced with the danger of Social Engineering. Please imagine that you are an office worker. You through a piece of paper some important passwords on it, and someone stole it from the trash box secretly. It is one of the Social Engineering. Like this, everyone can be obtained their personal information, so we have to care about protecting our any kind of information