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In information security, de-perimeterisation〔American spelling: de-perimeterization.(FAQ )〕 is the removal of a boundary between an organisation and the outside world. De-perimeterisation is protecting an organization's systems and data on multiple levels by using a mixture of encryption, secure computer protocols, secure computer systems and data-level authentication, rather than the reliance of an organization on its network boundary to the Internet. Successful implementation of a de-perimeterised strategy within an organization implies that the perimeter, or outer security boundary, was removed. Metaphorically, de-perimeterisation is similar to the historic dismantling of city walls to allow the free flow of goods and information. To achieve this there was a shift from city states to nation states and the creation of standing armies, so that city boundaries were extended to surround multiple cities. ''De-perimeterisation'' was coined by Jon Measham, a former employee of the UK’s Royal Mail in a research paper, and subsequently used by the Jericho Forum of which the Royal Mail was a founding member.〔https://collaboration.opengroup.org/jericho/〕 == Potential benefits == Claims made for removal of this border include the freeing up of business-to-business transactions, the reduction in cost and the ability for a company to be more agile. Taken to its furthest extent an organisation could operate securely directly on the Internet. Operating without a hardened border frees organizations to collaborate, utilizing solutions based on a Collaboration Oriented Architecture framework. 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「De-perimeterisation」の詳細全文を読む スポンサード リンク
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