Uma Ontologia para Mitigar XML Injection

  • Thiago M. Rosa PUCPR
  • Altair O. Santin PUCPR
  • Andreia Malucelli PUCPR

Resumo


As tecnologias utilizadas em web services trazem vulnerabilidades conhecidas em outros domínios para este novo ambiente. As abordagens de detecção de intrusão baseadas em anomalia geralmente produzem alta taxa de falsos positivos, enquanto que abordagens baseadas em assinatura não detectam variações de ataque. Este artigo apresenta um mecanismo híbrido de detecção de ataques que agrega as principais vantagens destas abordagens clássicas. Aplica-se uma ontologia como a base de conhecimento de ataques baseada em estratégia (sequencia encadeada de ações) para mitigar ataques de XML injection, mantendo baixas as taxas de falsos positivos.

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Publicado
06/11/2011
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ROSA, Thiago M.; SANTIN, Altair O.; MALUCELLI, Andreia. Uma Ontologia para Mitigar XML Injection . In: SIMPÓSIO BRASILEIRO DE SEGURANÇA DA INFORMAÇÃO E DE SISTEMAS COMPUTACIONAIS (SBSEG), 11. , 2011, Brasília. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2011 . p. 43-56. DOI: https://doi.org/10.5753/sbseg.2011.20562.

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