Community Cloud definition in Computer Security terms:
Definition(s): The cloud infrastructure is provisioned for exclusive use by a specific community of consumers from organizations that have shared concerns (e.g., mission, security requirements, policy, and compliance considerations). It may be owned, managed, and operated by one or more of the organizations in the community, a third party, or some combination of them, and it may exist on or off premises.
Source(s): NIST SP 800-145
NIST SP 800-146 (NIST SP 800-145)
reference: CSRC Glossary