A work authorization system, comprising a. a device connected to an automated analyser system for entering a combination of a user ID and password by a person for requesting authentication and authorization to the automated analyzer system; b. a credential provider which is installed on a data processing unit of the automated analyzer system, wherein the credential provider comprises a device for generating a random number, a public key of an authentication system for encrypting data prior to transmitting, wherein the credential provider is configured i. to create encrypted data by encrypting the user ID, password and random number with the public key; ii. to send the encrypted data to a server or to create a 2D barcode comprising an URL to be used for sending the encrypted data to the server, iii. for comparing whether the random numbers from step b and d are identical, and iv. for authorizing the person in case that a correct random number has been entered, c. the server comprising i. an interface for receiving the encrypted data from the credential provider or the created 2D barcode comprising an URL for authentication of a user, wherein the server comprises a private key of the authentication system for decrypting transmitted encrypted data with the public key, ii. a database containing all relevant data necessary for authentication of the user configured for verifying the decrypted data by comparison of the user ID and password with data stored in the database, and iii. a device for sending messages comprising the random number to a device of the user following successful verification; d. a login interface connected with the automated analyzer system for entering by the user the random number into the device connected to the automated analyzer system. a. a device connected to an automated analyser system for entering a combination of a user ID and password by a person for requesting authentication and authorization to the automated analyzer system; b. a credential provider which is installed on a data processing unit of the automated analyzer system, wherein the credential provider comprises a device for generating a random number, a public key of an authentication system for encrypting data prior to transmitting, wherein the credential provider is configured i. to create encrypted data by encrypting the user ID, password and random number with the public key; ii. to send the encrypted data to a server or to create a 2D barcode comprising an URL to be used for sending the encrypted data to the server, iii. for comparing whether the random numbers from step b and d are identical, and iv. for authorizing the person in case that a correct random number has been entered, i. to create encrypted data by encrypting the user ID, password and random number with the public key; ii. to send the encrypted data to a server or to create a 2D barcode comprising an URL to be used for sending the encrypted data to the server, iii. for comparing whether the random numbers from step b and d are identical, and iv. for authorizing the person in case that a correct random number has been entered, c. the server comprising i. an interface for receiving the encrypted data from the credential provider or the created 2D barcode comprising an URL for authentication of a user, wherein the server comprises a private key of the authentication system for decrypting transmitted encrypted data with the public key, ii. a database containing all relevant data necessary for authentication of the user configured for verifying the decrypted data by comparison of the user ID and password with data stored in the database, and iii. a device for sending messages comprising the random number to a device of the user following successful verification; i. an interface for receiving the encrypted data from the credential provider or the created 2D barcode comprising an URL for authentication of a user, wherein the server comprises a private key of the authentication system for decrypting transmitted encrypted data with the public key, ii. a database containing all relevant data necessary for authentication of the user configured for verifying the decrypted data by comparison of the user ID and password with data stored in the database, and iii. a device for sending messages comprising the random number to a device of the user following successful verification; d. a login interface connected with the automated analyzer system for entering by the user the random number into the device connected to the automated analyzer system.