Baselines are a set of configurations and policies applied to all new systems or services, and they serve as the basis for deploying any other services on top of them. Although standards often form the basis for baselines, the term is applicable in this case. Hardening is the process of securing a system, often through the application of baselines. Leveling is an extraneous but similar term to baselining.

Explanation
Any time data is created, modified, or imported, the classification needs to be evaluated and set from the earliest phase to ensure security is always properly maintained for the duration of its lifecycle.

Explanation/Reference:
Explanation:
Reversibility is the ability for a cloud customer to easily remove their applications or data from a cloud environment, as well as to ensure that all traces of their applications or data have been securely removed per a predefined agreement with the cloud provider.

Explanation
Due to the lack of an adequate privacy law or protection at the federal level in the United States, European privacy regulations generally prohibit the exporting or sharing of PII from Europe with the United States.
Participation in the Safe Harbor program is voluntary on behalf of an organization, but it does require them to conform to specific requirements and policies that mirror those from the EU. Thus, organizations can fulfill requirements for data sharing and export and possibly serve customers in the EU.