Pretty sure it's Fiber Distributed Data Interface
Sounds like you are talking about Grid computing. You can also say cloud computing since that is the buzz words nowadays, but cloud computing is a very general statement.
Answer:
Using a one time password OTP and using a three factor authentication.
Explanation:
Social engineering is a form system and network attack, drafted by an attacker, to steal user credentials needed for accessing their accounts, to steal information.
Social engineering attacks like phishing, spear phishing, baiting and quid quo pro are used to fool users to giving out their user details.
One time password is an implied use of a password just once and a new password his generated to boost security. In a three factor authentication, OTP can be used as well as biometrics of a user which can not be giving away by a user to an attacker.
have self-control and if you have a problem dont be afraid to speak your mind, show other people you mean buisness, but be polite to aviod starting more problems