Phishing is a way that people get sensitive information such as usernames or passwords. It is a method of social engineering. Very often, phishing is done by electronic mail. This mail looks as if it comes from a bank or other trusted company. It usually says that because of some change in the system, the users need to re-enter their usernames/passwords to confirm their identity. The emails usually have a link to a page that looks like that of the real bank.