International review of criminal policy - Nos… (1999)
“ It is generally recognized that absolute security is an unrealistic goal. An adversary with sufficient motivation, resources and ingenuity can compromise the most sophisticated security safeguards. An optimum security policy is one in which the cost of implementing protective mechanisms has been balanced against the reduction in risk achieved. Although security measures can be costly, experience has shown that adequate security is inexpensive compared to the potential consequence of failure to provide appropriate protection. ”
