Recital (28)

In order to maintain security in relation to processing and to prevent processing in infringement of this Directive, personal data should be processed in a manner that ensures an appropriate level of security and confidentiality, including by preventing unauthorised access to or use of personal data and the equipment used for the processing, and that takes into account available state of the art and technology, the costs of implementation in relation to the risks and the nature of the personal data to be protected.