A data breach has occurred and your company database has been copied. Which security principle has been
violated?

A.
confidentiality

B.
availability

C.
access

D.
control

Explanation:
BD
Confidentiality: There are two types of data: data in motion as it moves across the network; and data at rest,
when data is sitting on storage media (server, local workstation, in the cloud, and so forth). Confidentiality
means that only the authorized individuals/ systems can view sensitive or classified information.
Source: Cisco Official Certification Guide, Confidentiality, Integrity, and Availability, p.6