| Subject | English | Greek |
| comp., MS | authentication data | δεδομένα ελέγχου ταυτότητας (A scheme-specific block of data that is exchanged between the server and client during authentication. To prove its identity, the client encrypts some or all of this data with a user name and password. The client sends the encrypted data to the server, which decrypts the data and compares it to the original. If the decrypted data matches the original data, the client is authenticated) |
| IT | authentication of the data source | αυθεντικότητα της πηγής δεδομένων |
| IT | data authentication equipment | εξοπλισμός ελέγχου γνησιότητας δεδομένων |