Co-residence

Sharing of hardware or software resources by cloud customers

Confidentiality

Ensuring that information is accessible only to those authorized to have access (ISO 17799)

Privacy

Information privacy is the assured, proper, and consistent collection, processing, communication, use and disposition of disposition of personal information (PI) and personally- identifiable information (PII) throughout its life cycle. (Source: adapted from OASIS)

Refers to information security. „information security‟ means protecting information and information systems from unauthorized access, use, disclosure, disruption, modification, or destruction in order to provide:

**Availability** #

availability, which means ensuring timely and reliable access to and use of information. (Source: [SOURCE: Title III of the E-Government Act, entitled the Federal Information Security Management Act of 2002 (FISMA)])

**Confidentiality** #

confidentiality, which means preserving authorized restrictions on access and disclosure, including means for protecting personal privacy and proprietary information;

Integrity

integrity, which means guarding against improper information modification or destruction, and includes ensuring information nonrepudiation and authenticity;

Source: NIST Cloud Computing Reference Architecture