Uma Abordagem Dinâmica para Anonimização de Dados de Saúde por Separatrizes

  • Kristtopher K. Coelho UFV
  • Maurício M. Okuyama UF
  • Michele Nogueira UFMG
  • Alex Borges Vieira UFJF
  • Edelberto Franco Silva UFJF
  • José Augusto M. Nacif UFV

Resumo


Os avanços tecnológicos possibilitam a integração de dispositivos da Internet das Coisas (IoT) para realizar o monitoramento contínuo e proativo de pacientes. Esses dispositivos coletam um grande volume de dados, sendo muitos desses dados sensíveis, exigindo privacidade. A anonimização oferece privacidade ao remover ou modificar informações que identifiquem um indivíduo. Entretanto, as técnicas de anonimização tradicionais, tais como o k-anonimato, são dependentes de um valor k fixo e pré-definido, sendo suscetíveis a ataques de identificação de atributos. Este artigo apresenta a Anonimização Dinâmica por Separatriz (Dynamic Anonymization by Separatrices – DAS), uma abordagem para definição do valor ideal k e para o agrupamento dinâmica dos dados a serem anonimizados usando medidas de separatrizes. Os resultados mostram que a abordagem proposta é eficiente para mitigar ataques de identificação de atributos.

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Publicado
20/05/2024
COELHO, Kristtopher K.; OKUYAMA, Maurício M.; NOGUEIRA, Michele; VIEIRA, Alex Borges; SILVA, Edelberto Franco; NACIF, José Augusto M.. Uma Abordagem Dinâmica para Anonimização de Dados de Saúde por Separatrizes. In: SIMPÓSIO BRASILEIRO DE REDES DE COMPUTADORES E SISTEMAS DISTRIBUÍDOS (SBRC), 42. , 2024, Niterói/RJ. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2024 . p. 826-839. ISSN 2177-9384. DOI: https://doi.org/10.5753/sbrc.2024.1481.

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