file authentication

[/faɪl ɔːˌθɛntɪˈkeɪʃən/]
nounpl: file authentications
autenticação de arquivo
1. A security process that verifies the identity and integrity of a digital file to ensure it has not been altered and comes from a trusted source
File authentication uses digital signatures to confirm that the document has not been tampered with.
A autenticação de arquivo usa assinaturas digitais para confirmar que o documento não foi adulterado.
2. The technical mechanism or protocol used to validate and confirm the authenticity of files in computing systems
The software implements file authentication through cryptographic hashing algorithms.
O software implementa autenticação de arquivo através de algoritmos de hash criptográfico.
3. A security measure in data management and cybersecurity that prevents unauthorized access or modification of files
File authentication is essential for protecting sensitive financial records from unauthorized changes.
A autenticação de arquivo é essencial para proteger registros financeiros sensíveis de alterações não autorizadas.
File authentication is a critical concept in Brazilian and international business contexts, particularly in banking, government, and legal sectors where digital document validity is legally significant. In Brazil, this term has gained prominence with the adoption of digital signatures (assinatura digital) through laws like the Brazilian Civil Code amendments on electronic documents. Portugal uses 'ficheiro' instead of 'arquivo,' reflecting the European Portuguese terminology.
Synonyms / Sinônimos
file verificationdigital authenticationfile integrity verificationdocument authenticationcryptographic authentication
Antonyms / Antônimos
file tamperingauthentication bypassunauthorized modification

Regional Variations

General Brazilian
autenticação de arquivo
Standard term used in IT and security contexts
São Paulo
autenticação de arquivo
Commonly used in corporate and banking sectors
Rio de Janeiro
autenticação de arquivo
Used in technology companies and government institutions
Portugal
autenticação de ficheiro
Uses 'ficheiro' instead of 'arquivo'; standard in Portuguese European IT terminology

Related Words

digital signatureencryptioncryptographyhash functioncertificatePKI (Public Key Infrastructure)data integritycybersecurity

Related Idioms & Phrases

verify the authenticity of a file
authenticate documents
chain of custody (in context of file authenticity)
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