Trust Management in Collaborative Systems for Critical Infrastructure Protection

Table 1

Relationship between resource, activity, service, and context.

Resources/Objects	Activities	Service	Context
Archives, Databases of activities and productions of the organization	Consulting, adding, modifying, checking	Normal	Normal
Electrical system, intra-organizational information system	Activating, turning off, deleting, adding	Emergency	Emergency
Accounts, personal information, secret activities	Consulting, adding, modifying, deleting	Critical	Critical