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New tool to audit the use of private data

08.12.2008
A new method to audit the use of private data has been developed by computer scientists at the University of Southampton for which a prototype will be available within six months.

Recent and recurrent leaks of highly confidential information, prompted Professor Luc Moreau and Rocio Aldeco-Perez at the University's School of Electronics and Computer Science to take a concept which is more commonly used in the art world and derive a tool that operates on private data.

In a paper entitled Provenance-based Auditing of Private Data Use just published in the BCS International Academic Research Conference - Visions of Computer Science, the academics describe how a tool called Provenance can be applied to personal and confidential information so that an audit trail can be analysed to see where the information has come from, how it is being used and how it can be made secure.

As part of their research, the academics developed a case study based on private data in a university and the requirements of the Data Protection Act.

'Provenance is a term which comes from diverse areas such as art, archaeology and palaeontology and describes the history of an object since its creation,' said Professor Moreau. 'Its main focus is to establish that the object has not been forged or altered, we have found that we can now do the same audit with private data.'

According to Professor Moreau, who extended the concept of Provenance to service-oriented architectures when he embarked on the EU Provenance Project in 2005, the auditing capabilities of this tool will make it possible to redesign systems so that they incorporate secure auditing strategies and therefore are more robust and trusted.

'At the moment when data is leaked, there is no systematic way to analyse the scenario,' said Professor Moreau. 'We are now working towards the first prototype capable of auditing this data.'

Helene Murphy | alfa
Further information:
http://eprints.ecs.soton.ac.uk/16580/
http://www.soton.ac.uk
http://www.gridprovenance.org/

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