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.
Synonyms / Sinônimos
password authenticationcredential-based authenticationcharacter-based authenticationmulti-character authentication
Antonyms / Antônimos
biometric authenticationsingle-factor authenticationnumeric-only authenticationletter-only authentication

Regional Variations

General Brazilian
autenticação alfanumérica
Standard term used in cybersecurity and IT contexts across Brazil
São Paulo
autenticação alfanumérica
Common in tech companies and financial institutions in the region
Portugal
autenticação alfanumérica
Identical terminology used in Portuguese IT and security sectors
USA/English
alphanumeric authentication
Standard technical term in American cybersecurity and banking industries

Related Words

two-factor authenticationmulti-factor authenticationpasswordPINsecurity credentialsauthentication factoridentity verificationcybersecurity

Related Idioms & Phrases

crack the code
break the password
security measure
strengthen authentication
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