social engineering

Social engineering is to steal the information which is important as security information, pass word or personal information from manager or user of something. In order to get these information they peep, eavesdrop, try to search around the memo which were written about important information or they even get the trash bin from office and try to find information paper about pass word etc.. To do something like this is called social engineering, but it also sometime called social cracking or hacking. If the way to trash the information paper form office is not done correctly it is easy for them to get information, and it will be able to use in bad way by someone.