alphanumeric authentication
[ˌælfənuːˈmɛrɪk ɔːˌθɛntɪˈkeɪʃən]
nounpl: alphanumeric authentications
autenticação alfanumérica
1. A security process that verifies a user's identity using a combination of letters, numbers, and sometimes special characters, typically through passwords or PINs
The bank's system requires alphanumeric authentication to access your account online.
O sistema do banco requer autenticação alfanumérica para acessar sua conta online.
2. A method of identity verification where credentials contain both alphabetic and numeric characters to increase security complexity
Alphanumeric authentication is more secure than using only numbers or letters alone.
A autenticação alfanumérica é mais segura do que usar apenas números ou apenas letras.
Alphanumeric authentication is a fundamental security practice in both Brazilian and American digital environments, especially in banking and e-commerce. The term is used uniformly across technical documentation in both Portuguese and English-speaking countries, reflecting the global standardization of cybersecurity terminology.
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