Who invented the password? In fact, the strategy and concept of the password appeared nearly a hundred years ago when companies and universities wanted to allow different users to use one computer at the same time, as computers at that time were main or central computers, with computing power that users could access through terminals. Where this granted appeared the concept of password for each user on this computer for users to give them a kind of confidentiality, which is essential today in managing computers, not only in the computer, but also to services. As for the discovery of this technique, it is very old before the emergence of computing in the first place, where we can consider the door proposal is a password, the car key is also a password, anything that falls under the name of a key is a password. As for passwords in computers, researcher Fernando Corbato at the Massachusetts Institute of Technology at the famous Cambridge University of Sciences in Massachusetts (USA) was the first to create a password for every user on a computer. Fernando Corbato, named "Corby", died on July 13 at the age of 93, leaving behind the password, which you must type every time you turn on your computer, or log into one of your accounts on the Internet or various programs, as well as the law Computer.