Public Cloud definition in Computer Security terms:
Definition(s): The cloud infrastructure is provisioned for open use by the general public. It may be owned, managed, and operated by a business, academic, or government organization, or some combination of them. It exists on the premises of the cloud provider.
Source(s): NIST SP 800-145
NIST SP 800-146 (NIST SP 800-145)
reference: CSRC Glossary