[Todos CMAT] Seminario de Probabilidad y Estadística -- Viernes 4 de noviembre

[Andrés Sosa]

Hola

Este *viernes 4 de noviembre a las 10:00 horas* en el salón de seminarios
del Centro de Matemática hablará *Javier Baliosián *(Instituto de
Computación - Facultad de Ingeniería) en el seminario de Probabilidad y
Estadística.

El título de la charla es:  *An Abstraction for the Analysis of Secure
Policy Interoperability*

Saludos
Andrés

*Abstract:*


*Complex interactions between two organizations, involving sensible
information and resources, requires to honor each organization's security
policy. This implies to make compatible different sets of policy rules that
were designed for different organizations, and, therefore, different
subjects, actions, and objects, classified and organized in different
manners.Therefore, in order to cooperate, two organizations need to agree
on a higher-level interoperability policy that regulates how the security
policy of each organization should be applied each time that an entity from
one organization tries to access a resource of the other. However, finding
out what is the security policy that emerges from the combination of all
the organization-level policies and the higher-level interoperability
policy is not an easy task. In this presentation we introduce a methodology
based on Finite State Transducers and semi-rings to analyse this situation
modelling policy-rules, mapping entities, combine them, and automatically
generate an interoperability set of security policies.*
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