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A security domain is the determining factor in the classification of an enclave of servers/computers. A network with a different security domain is kept separate from other networks. Examples: NIPRNet, SIPRNet. JWICS, NSANet are all kept separate. A security domain is considered to be an application or collection of applications that all trust a common security token for authentication, authorization or session management. Generally speaking, a security token is issued to a user after the user has actively authenticated with a user ID and password to the security domain. Examples of a security domain include: * All the Web applications that trust a session cookie issued by a Web Access Management product * All the Windows applications and services that trust a Kerberos ticket issued by Active Directory In an Identity Federation that spans two different organizations that share a business partner, customer or BPO relation - A partner domain, would be another security domain with which users and applications (from the local security domain) interact. == External links == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Security domain」の詳細全文を読む スポンサード リンク
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