Vehicle having connected car service and method of controlling the same

A vehicle comprising:

• a plurality of seats respectively provided at different positions inside the vehicle;
• an authentication executing processor configured to perform authentication on each user seated on the plurality of seats;
• a controller configured to provide a connected car service based on whether the authentication is completed,
• wherein a type of the connected car service includes an account creation for using the connected car service, a vehicle control, a first personalization service including an email login, a billing service, a valet mode, an internet of things (TOT) service, a location sharing service, and a personal account right setting, a second personalization service including a change in radio channel setting, a latest destination inquiry, a speech recognition service, and a change in a bookmark performed by a user sitting in the vehicle, and a real-time information service for providing announcement delivery, weather, news, and traffic information;
• and
• a storage configured to store a level of security intensity corresponding to the type of the connected car service, wherein the level of security intensity of the account creation is level 1, the level of security intensity of the vehicle control is level 2, the level of security intensity of the first personalization service is level 3, and the level of security intensity of the second personalization service and the level of security intensity of the real-time information service are level 4, wherein the level 1 is higher than the level 2, the level 2 is higher than the level 3, the level 3 is higher than the level 4,
• wherein the controller controls the authentication executing processor to identify the type of the connected car service for each user and a position of a seat for each user, identify a level of security intensity corresponding to the type of the connected car service for each user, change the identified level of security intensity based on the position of the seat for each user, determine an authentication method for each user based on the changed level of security intensity for each user, and perform the authentication for each user based on the determined authentication method for each user,
• the authentication method is different depending on the changed level of security intensity, and the authentication method includes one or more of a password login, an email authentication, an iris authentication, a fingerprint authentication, a security code, and a one-time password (OTP), a personal identification number (PIN), a pattern authentication, a face recognition, and a voice speaker recognition.