Tag Archives: Common Criteria

UK Government Security Classification Scheme

1 Apr

After nearly two years of planning, the new UK Government Security Classification system comes into operation this month. This will probably be accompanied by some articles from the doomsday brigade suggesting forecasting chaos and uncertainty; there are undoubtedly rough edges, but it’s important not to lose sight of the bigger cultural change at play…

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Securing the Guard

7 Jan

I have talked previously about the challenge of building a File Guard, and the approach we took to designing it.
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RedHat Case Study – Nexor Sentinel

15 Jul

Those nice people at RedHat have written a Case Study on the Nexor Sentinel Product…

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SE Linux for Android

19 Mar

One of the challenges with a general purpose operating system, it that it is general purpose! It is designed to provide the application developer with a tool set to build their application. When building an application used to enforce security, this is a real challenge.

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Can you trust a $1612 Data Diode?

12 Mar

The Data Diode technical model to achieve a one way network connection is relatively simple. However when you start to consider trust and assurance, it gets more complex.

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Evolution of Common Criteria

5 Mar

Nexor have received Common Criteria certification for our Sentinel Product, as required by our customers. Common Criteria is a scheme that is both much criticised and undergoing evolution.

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Common Criteria Certification for Nexor Sentinel

5 Feb

Nexor has announced the Common Criteria Certification, to EAL4 of Nexor Sentinel – a high assurance, e-mail guard.

In the announcement I am quoted as saying:
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