Do you have so many online accounts that you can barely keep track of where you’re registered, let alone what the passwords are? You’re certainly not alone. Even Fernando Corbató, a computer scientist who is one of the people credited with inventing the computer password over 60 years ago, kept all of his on a few typed sheets of paper. Passwords came about to simplify life in the early 1960s while using a mainframe: researchers at MIT were sharing a disk file and needed separate accounts. To keep each other out of their accounts, each one had its own password.

