what is social engineering?

Social engineering is a technique that people get important information like passwords about a significant computer by using an illegal way, and another name is social hacking or social cracking. Stealing a look at someone who is using a computer, looking for and getting information from refuses of an office, or trespassing a building are all techniques of social engineering. In general, people who do social engineering try to hit a psychological weakness of targets. They act like another person and make targets believe them. If an administrative ability and a confirmation are not good enough, hackers will be able to target the company easily. In order to guard information against social engineering, people should educate person who manage and use information more.