Marcos Pirmez,  Luci Pirmez,  Luis F. R. C. Carmo,  Flávia C. Delicato,  Paulo F. Pires,  Edson B. Sousa. 

We propose Prometheus, an Adaptive Security Service that provides facilities to dynamic adaptation of security controls used to mitigate risks and to dynamic adaptation of adaptation policies. These adaptations are driven by context changes and guided by predefined policies. The main contribution of this work is to provide runtime adaptation of security controls and of adaptation policies for ubiquitous applications executing in mobile devices, thus ensuring availability, confidentiality and integrity of these applications.

http://www.lbd.dcc.ufmg.br/colecoes/sbseg/2008/0017.pdf

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