Ioannidis, ChristosPym, David J.Williams, Julian2011-10-252011-10-252012-01-16Ioannidis, C, Pym, D J & Williams, J 2012, 'Information Security Trade-offs and Optimal Patching Policies', European Journal of Operational Research, vol. 216, no. 2, pp. 434-444. https://doi.org/10.1016/j.ejor.2011.05.0500377-2217http://hdl.handle.net/2164/215111711844engInformation securityOptimal policyRisk reductionStochastic processesQA75 Electronic computers. Computer scienceQA75Information Security Trade-offs and Optimal Patching PoliciesJournal article10.1016/j.ejor.2011.05.0502162