Article available on Embedding Security in Open Systems

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Michael Markulec, Chief Operating Officer at Trusted Computing Group, a non-profit, open industry standards group, has put together an article that deals with the possibilities of Network Access Control (NAC) in a dynamic network environment. Markulec expounds upon the current challenges that organisation face as they look to embed security into their network.

One of the largest problems lies in embedded security defying the propriety model; in other words, the single vendor approach does not allow for an 'open architecture' security solution due to the heterogeneous nature of a network. As a business grows it may be necessary to manage security across a number of vendors, so an NAC solution, that supports open architecture across a variety of vendors and protocols, is the most logical progression.

From this preface, the article goes on to delineate the pros and cons of pre-admission and post-admission NAC solutions. After explaining the difficulties of implementing these methods Marculec defines the TCG's recognised TNC (Trusted Network Connection) solution. The IF-MAP (Interface for Metadata Access Points) open standard provides a common language for NAC, dynamic devices, policies, status, and behaviour to be shared in real-time and can be embedded into products for free by the TCG.
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