The main goal of confidentiality is to ensure that sensitive information is not made available or leaked to parties that should not have access to it, while at the same time ensuring that those with appropriate need and authorization to access it can do so in a manner commensurate with their needs and confidentiality requirements.

Explanation
SIEM does not intend to provide any enhancement of performance; in fact, a SIEM solution may decrease performance because of additional overhead. All the rest are goals of SIEM implementations.

Auditing involves reports and evidence that show user activity, compliance with controls and regulations, the systems and processes that run and what they do, as well as information and data access and modification records. A cloud environment adds additional complexity to traditional audits because the cloud customer will not have the same level of access to systems and data as they would in a traditional data center.

Directive 95/46/EC is titled "On the protection of individuals with regard to the processing of personal data and on the free movement of such data."