Yet Another Stuxnet Article

A lot has been written about Stuxnet, one of the big revelations was the malware had jumped an air-gap.  The on-going debate is whether air-gaps work, or would joining the networks in a controlled way REDUCE the vulnerability.

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The Need for Network Segregation in Critical Infrastructure Systems

A recent article in the NY Times claims:

The vast majority of targeted computer attacks now start with a malicious e-mail sent to a company employee. Now evidence suggests that the same technique could be used to attack watersheds, power grids, oil refineries and nuclear plants.

This cannot be allowed to happen, here I explore the issue in a little more detail.

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Data Diode Technology Can Help Solve Complex Cyber Security Issues

Due to recent security incidents, there is now a significant debate with regard to what is the best way to protect Industrial Control Systems (ICS).

Generally, the debate focuses on whether networks should be isolated via an Air-Gap, or joined by well-configured Firewall(s) but the debate often misses a third option – Data Diodes.

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Economist Debate: “…a hyperconnected world is more rather than less secure.”

This is an insightful debate in the Economist, the full title being

This house believes that a hyper-connected world is more rather than less secure.

Sadly I missed the online comment period, so was not able to offer my thoughts in the debate itself.  I would have voted less secure.
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